US Bridges

TR 9A (TH-C54) over Crow Creek

Good

Marshall County, Illinois · T13N-R9E-4PM Sec 1 · Structure no. 062415700000000

Built
1981
44 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
154 ft
3 main spans
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 9A (TH-C54) over Crow Creek is a prestressed concrete box beam or girders - multiple carrying TR 9A (TH-C54) over Crow Creek in Marshall County, Illinois. It was built in 1981, so it is 44 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 48% of them trucks, projected to reach 101 by 2046. The structure is 154 ft (46.9 m) long and 24 ft wide.

CarriesTR 9A (TH-C54)
CrossesCrow Creek
LocationT13N-R9E-4PM Sec 1
RouteCounty Highway 0
Coordinates41.13352, -89.40989
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span66 ft (20.1 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic101 by 2046
Trucks48%
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 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 9A (TH-C54) over Crow Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is TR 9A (TH-C54) over Crow Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does TR 9A (TH-C54) over Crow Creek carry?

About 50 vehicles per day (2024 count), of which roughly 48% are trucks.

How long is TR 9A (TH-C54) over Crow Creek?

The structure is 154 ft (46.9 m) long with a longest span of 66 ft (20.1 m) and a deck 24 ft wide.

Who owns TR 9A (TH-C54) over Crow Creek?

It is owned by the Town or Township Highway Agency.