US Bridges

US 136 over Branch Salt Creek

Fair

McLean County, Illinois · 12.17 M E of US 51 · Structure no. 057018500000000

Built
1976
49 years old, rebuilt 2006
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
216 ft
4 main spans
Daily traffic
1,250
2023 count
Owner
State
State Highway Agency

About this bridge

US 136 over Branch Salt Creek is a prestressed concrete box beam or girders - multiple carrying US 136 over Branch Salt Creek in McLean County, Illinois. It was built in 1976 and reconstructed in 2006, so it is 49 years old, older 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 1,250 vehicles a day, roughly 36% of them trucks, projected to reach 1,414 by 2046. The structure is 216 ft (65.8 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 136
CrossesBranch Salt Creek
Location12.17 M E of US 51
RouteU.S. Route 136
Coordinates40.31161, -88.75908
Functional classRural Principal Arterial - Other

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 rating67.1 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length216 ft (65.8 m)
Longest span58 ft (17.8 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2023)
Projected traffic1,414 by 2046
Trucks36%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 136 over Branch Salt Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2006.

What condition is US 136 over Branch Salt 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 April 2024.

How much traffic does US 136 over Branch Salt Creek carry?

About 1,250 vehicles per day (2023 count), of which roughly 36% are trucks.

How long is US 136 over Branch Salt Creek?

The structure is 216 ft (65.8 m) long with a longest span of 58 ft (17.8 m) and a deck 32 ft wide.

Who owns US 136 over Branch Salt Creek?

It is owned by the State Highway Agency.