US Bridges

Old US 51 (sbi 2) over Deer Creek

Good

Marion County, Illinois · Ncl Patoka · Structure no. 061202300000000

Built
2001
24 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
43 ft
3 main spans
Daily traffic
450
2022 count
Owner
State
State Highway Agency

About this bridge

Old US 51 (sbi 2) over Deer Creek is a concrete culvert carrying Old US 51 (sbi 2) over Deer Creek in Marion County, Illinois. It was built in 2001, so it is 24 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 450 vehicles a day, roughly 11% of them trucks, projected to reach 732 by 2046. The structure is 43 ft (13 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld US 51 (sbi 2)
CrossesDeer Creek
LocationNcl Patoka
RouteCounty Highway 0
Coordinates38.76183, -89.09384
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length43 ft (13 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic732 by 2046
Trucks11%
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 Deer Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Old US 51 (sbi 2) over Deer 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 Deer Creek carry?

About 450 vehicles per day (2022 count), of which roughly 11% are trucks.

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

The structure is 43 ft (13 m) long with a longest span of 12 ft (3.8 m).

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

It is owned by the State Highway Agency.