US Bridges

TR 498 over Creek

PoorPosted for load

Macoupin County, Illinois · 4.5 NE Standard Cy · Structure no. 059322800000000

Built
1900
125 years old, rebuilt 1950
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
35
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 498 over Creek is a steel stringer/multi-beam or girder carrying TR 498 over Creek in Macoupin County, Illinois. It was built in 1900 and reconstructed in 1950, so it is 125 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. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 3% of them trucks, projected to reach 35 by 2046. The structure is 41 ft (12.5 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 498
CrossesCreek
Location4.5 NE Standard Cy
RouteCounty Highway 0
Coordinates39.37177, -89.70878
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span39 ft (11.9 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2021)
Projected traffic35 by 2046
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$87,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 498 over Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1950.

What condition is TR 498 over 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 2023.

How much traffic does TR 498 over Creek carry?

About 35 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is TR 498 over Creek?

The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 16 ft wide.

Who owns TR 498 over Creek?

It is owned by the Town or Township Highway Agency.