US Bridges

US 136 EB over Prairie Creek

Good

Hancock County, Illinois · 2.5 MI E Carthage · Structure no. 034050700000000

Built
2007
18 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
98 ft
1 main span
Daily traffic
4,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 136 EB over Prairie Creek is a prestressed concrete stringer/multi-beam or girder carrying US 136 EB over Prairie Creek in Hancock County, Illinois. It was built in 2007, so it is 18 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 4,000 vehicles a day, roughly 17% of them trucks, projected to reach 2,197 by 2046. The structure is 98 ft (29.9 m) long and 43 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesUS 136 EB
CrossesPrairie Creek
Location2.5 MI E Carthage
RouteU.S. Route 136
Coordinates40.41506, -91.07151
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 inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length98 ft (29.9 m)
Longest span95 ft (29.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2023)
Projected traffic2,197 by 2046
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 EB over Prairie Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is US 136 EB 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 May 2022.

How much traffic does US 136 EB over Prairie Creek carry?

About 4,000 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US 136 EB over Prairie Creek?

The structure is 98 ft (29.9 m) long with a longest span of 95 ft (29.1 m) and a deck 43 ft wide.

Who owns US 136 EB over Prairie Creek?

It is owned by the State Highway Agency.