US Bridges

FAS 1636 over Richland Creek

PoorClosed to traffic

Sangamon County, Illinois · 1.5 Mi. E Salisbury · Structure no. 084304700000000

Built
1952
73 years old
Condition
Poor
inspected March 2024
Type
Truss - Thru
Steel
Length
107 ft
1 main span
Daily traffic
200
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

FAS 1636 over Richland Creek is a steel truss - thru carrying FAS 1636 over Richland Creek in Sangamon County, Illinois. It was built in 1952, so it is 73 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 1 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 200 vehicles a day, roughly 3% of them trucks, projected to reach 202 by 2046. The structure is 107 ft (32.6 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFAS 1636
CrossesRichland Creek
Location1.5 Mi. E Salisbury
RouteCounty Highway 0
Coordinates39.8915, -89.77441
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Superstructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Substructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length107 ft (32.6 m)
Longest span102 ft (31.1 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic202 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$308,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 1636 over Richland Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is FAS 1636 over Richland Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does FAS 1636 over Richland Creek carry?

About 200 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is FAS 1636 over Richland Creek?

The structure is 107 ft (32.6 m) long with a longest span of 102 ft (31.1 m) and a deck 22 ft wide.

Who owns FAS 1636 over Richland Creek?

It is owned by the Town or Township Highway Agency.