US Bridges

TR 137A over Prairie Creek

FairPosted for load

Clinton County, Illinois · 1 MI SE Huey · Structure no. 014306800000000

Built
1942
83 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
77 ft
5 main spans
Daily traffic
100
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 137A over Prairie Creek is a wood or timber stringer/multi-beam or girder carrying TR 137A over Prairie Creek in Clinton County, Illinois. It was built in 1942, so it is 83 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 14% of them trucks, projected to reach 110 by 2046. The structure is 77 ft (23.5 m) long and 21 ft wide.

Location

Open in Google Maps
CarriesTR 137A
CrossesPrairie Creek
Location1 MI SE Huey
RouteCounty Highway 0
CountyClinton County
StateIllinois
Coordinates38.58858, -89.28409
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.9 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadH 15
Structure length77 ft (23.5 m)
Longest span15 ft (4.6 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic110 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$86,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 137A over Prairie Creek built?

It was built in 1942, making it 83 years old in 2025.

What condition is TR 137A over Prairie Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does TR 137A over Prairie Creek carry?

About 100 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is TR 137A over Prairie Creek?

The structure is 77 ft (23.5 m) long with a longest span of 15 ft (4.6 m) and a deck 21 ft wide.

Who owns TR 137A over Prairie Creek?

It is owned by the Town or Township Highway Agency.