US Bridges

US 136/FAP 315 over Prairie Creek

Good

McLean County, Illinois · 7.04 MI W of US 51 · Structure no. 057024500000000

Built
2006
19 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
157 ft
3 main spans
Daily traffic
3,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 136/FAP 315 over Prairie Creek is a steel continuous stringer/multi-beam or girder carrying US 136/FAP 315 over Prairie Creek in McLean County, Illinois. It was built in 2006, so it is 19 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 3,000 vehicles a day, roughly 29% of them trucks, projected to reach 2,879 by 2046. The structure is 157 ft (47.9 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 136/FAP 315
CrossesPrairie Creek
Location7.04 MI W of US 51
RouteU.S. Route 136
Coordinates40.31175, -89.1226
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length157 ft (47.9 m)
Longest span67 ft (20.4 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic2,879 by 2046
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 US 136/FAP 315 over Prairie Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is US 136/FAP 315 over Prairie 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 February 2023.

How much traffic does US 136/FAP 315 over Prairie Creek carry?

About 3,000 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is US 136/FAP 315 over Prairie Creek?

The structure is 157 ft (47.9 m) long with a longest span of 67 ft (20.4 m) and a deck 39 ft wide.

Who owns US 136/FAP 315 over Prairie Creek?

It is owned by the State Highway Agency.