US Bridges

TR 39 over Thurman Creek

Fair

Adams County, Illinois · 5.0 MI E Loraine · Structure no. 001324400000000

Built
1900
125 years old, rebuilt 1977
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
38 ft
1 main span
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 39 over Thurman Creek is a concrete channel beam carrying TR 39 over Thurman Creek in Adams County, Illinois. It was built in 1900 and reconstructed in 1977, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, projected to reach 51 by 2046. The structure is 38 ft (11.6 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 39
CrossesThurman Creek
Location5.0 MI E Loraine
RouteCounty Highway 0
Coordinates40.16298, -91.12319
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 39 over Thurman Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1977.

What condition is TR 39 over Thurman 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 2024.

How much traffic does TR 39 over Thurman Creek carry?

About 50 vehicles per day (2024 count).

How long is TR 39 over Thurman Creek?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns TR 39 over Thurman Creek?

It is owned by the Town or Township Highway Agency.