US Bridges

TR 0518 over Fishhook Creek

Fair

Adams County, Illinois · 2.5 MI S Siloam Spri · Structure no. 001326000000000

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
109 ft
3 main spans
Daily traffic
75
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 0518 over Fishhook Creek is a prestressed concrete box beam or girders - multiple carrying TR 0518 over Fishhook Creek in Adams County, Illinois. It was built in 1978, so it is 47 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 75 vehicles a day, projected to reach 76 by 2046. The structure is 109 ft (33.2 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 0518
CrossesFishhook Creek
Location2.5 MI S Siloam Spri
RouteCounty Highway 0
Coordinates39.83649, -90.9405
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span63 ft (19.2 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic76 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 0518 over Fishhook Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is TR 0518 over Fishhook 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 November 2023.

How much traffic does TR 0518 over Fishhook Creek carry?

About 75 vehicles per day (2024 count).

How long is TR 0518 over Fishhook Creek?

The structure is 109 ft (33.2 m) long with a longest span of 63 ft (19.2 m) and a deck 27 ft wide.

Who owns TR 0518 over Fishhook Creek?

It is owned by the Town or Township Highway Agency.