US Bridges

US 51 NB (fap 322) over Kickapoo Creek

Fair

McLean County, Illinois · 1 MI N of US 136 · Structure no. 057019700000000

Built
1986
39 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
288 ft
3 main spans
Daily traffic
12,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 51 NB (fap 322) over Kickapoo Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 51 NB (fap 322) over Kickapoo Creek in McLean County, Illinois. It was built in 1986, so it is 39 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 12,300 vehicles a day, roughly 14% of them trucks, projected to reach 6,150 by 2046. The structure is 288 ft (87.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 51 NB (fap 322)
CrossesKickapoo Creek
Location1 MI N of US 136
RouteU.S. Route 51
CountyMcLean County
StateIllinois
Coordinates40.32559, -88.98953
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.1 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length288 ft (87.9 m)
Longest span95 ft (29 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,300 (2023)
Projected traffic6,150 by 2046
Trucks14%
Lanes on structure2
Traffic directionOne-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 US 51 NB (fap 322) over Kickapoo Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is US 51 NB (fap 322) over Kickapoo Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does US 51 NB (fap 322) over Kickapoo Creek carry?

About 12,300 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 51 NB (fap 322) over Kickapoo Creek?

The structure is 288 ft (87.9 m) long with a longest span of 95 ft (29 m) and a deck 43 ft wide.

Who owns US 51 NB (fap 322) over Kickapoo Creek?

It is owned by the State Highway Agency.