US Bridges

TR 236 over Spring Creek

Poor

Henry County, Illinois · 6.0 MI SE Geneseo · Structure no. 037312400000000

Built
1948
77 years old
Condition
Poor
inspected April 2024
Type
Other
Concrete
Length
63 ft
1 main span
Daily traffic
75
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 236 over Spring Creek is a concrete other carrying TR 236 over Spring Creek in Henry County, Illinois. It was built in 1948, so it is 77 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 4 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.

It carries about 75 vehicles a day, roughly 13% of them trucks, projected to reach 81 by 2046. The structure is 63 ft (19.2 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesTR 236
CrossesSpring Creek
Location6.0 MI SE Geneseo
RouteCounty Highway 0
CountyHenry County
StateIllinois
Coordinates41.3592, -90.10602
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69.7 US tons
Inventory rating41.8 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span62 ft (18.9 m)
Deck width20 ft (6.1 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic81 by 2046
Trucks13%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$90,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 236 over Spring Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is TR 236 over Spring 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 April 2024.

How much traffic does TR 236 over Spring Creek carry?

About 75 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is TR 236 over Spring Creek?

The structure is 63 ft (19.2 m) long with a longest span of 62 ft (18.9 m) and a deck 20 ft wide.

Who owns TR 236 over Spring Creek?

It is owned by the Town or Township Highway Agency.