US Bridges

New US 51 over Little Creek

Good

Union County, Illinois · 2 MI NW of FAS 2936 · Structure no. 091007100000000

Built
1998
27 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
165 ft
3 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

New US 51 over Little Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying New US 51 over Little Creek in Union County, Illinois. It was built in 1998, so it is 27 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 2,900 vehicles a day, roughly 10% of them trucks, projected to reach 3,535 by 2046. The structure is 165 ft (50.2 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNew US 51
CrossesLittle Creek
Location2 MI NW of FAS 2936
RouteU.S. Route 51
Coordinates37.40316, -89.18296
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating49.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.2 m)
Longest span55 ft (16.7 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic3,535 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 New US 51 over Little Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is New US 51 over Little 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 March 2024.

How much traffic does New US 51 over Little Creek carry?

About 2,900 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is New US 51 over Little Creek?

The structure is 165 ft (50.2 m) long with a longest span of 55 ft (16.7 m) and a deck 39 ft wide.

Who owns New US 51 over Little Creek?

It is owned by the State Highway Agency.