US Bridges

Old US 51 (sbi 2) over Louse Creek

Good

Marion County, Illinois · .5 MI S Patoka · Structure no. 061008600000000

Built
1994
31 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
475
2022 count
Owner
State
State Highway Agency

About this bridge

Old US 51 (sbi 2) over Louse Creek is a concrete continuous slab carrying Old US 51 (sbi 2) over Louse Creek in Marion County, Illinois. It was built in 1994, so it is 31 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 475 vehicles a day, roughly 10% of them trucks, projected to reach 581 by 2046. The structure is 74 ft (22.5 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld US 51 (sbi 2)
CrossesLouse Creek
Location.5 MI S Patoka
RouteCounty Highway 0
Coordinates38.74086, -89.09755
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length74 ft (22.5 m)
Longest span27 ft (8.3 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic475 (2022)
Projected traffic581 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 Old US 51 (sbi 2) over Louse Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Old US 51 (sbi 2) over Louse 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 2025.

How much traffic does Old US 51 (sbi 2) over Louse Creek carry?

About 475 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Old US 51 (sbi 2) over Louse Creek?

The structure is 74 ft (22.5 m) long with a longest span of 27 ft (8.3 m) and a deck 33 ft wide.

Who owns Old US 51 (sbi 2) over Louse Creek?

It is owned by the State Highway Agency.