US Bridges

FAS 1324/OLD US 45 over Trib of Langan Creek

Good

Iroquois County, Illinois · 1.2 MI S of Chebanse · Structure no. 038018400000000

Built
1987
38 years old, rebuilt 2015
Condition
Good
inspected January 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
1,900
2022 count
Owner
State
State Highway Agency

About this bridge

FAS 1324/OLD US 45 over Trib of Langan Creek is a prestressed concrete box beam or girders - multiple carrying FAS 1324/OLD US 45 over Trib of Langan Creek in Iroquois County, Illinois. It was built in 1987 and reconstructed in 2015, so it is 38 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 1,900 vehicles a day, roughly 10% of them trucks, projected to reach 2,222 by 2046. The structure is 47 ft (14.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 1324/OLD US 45
CrossesTrib of Langan Creek
Location1.2 MI S of Chebanse
RouteCounty Highway 0
Coordinates40.97866, -87.91756
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length47 ft (14.4 m)
Longest span43 ft (13.1 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2022)
Projected traffic2,222 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAS 1324/OLD US 45 over Trib of Langan Creek built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2015.

What condition is FAS 1324/OLD US 45 over Trib of Langan 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 January 2021.

How much traffic does FAS 1324/OLD US 45 over Trib of Langan Creek carry?

About 1,900 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is FAS 1324/OLD US 45 over Trib of Langan Creek?

The structure is 47 ft (14.4 m) long with a longest span of 43 ft (13.1 m) and a deck 32 ft wide.

Who owns FAS 1324/OLD US 45 over Trib of Langan Creek?

It is owned by the State Highway Agency.