US Bridges

Ill 151 over Spring Creek

Fair

Jackson County, Illinois · 2.3 MI S of Ava · Structure no. 039003300000000

Built
1935
90 years old, rebuilt 1995
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
850
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 151 over Spring Creek is a prestressed concrete box beam or girders - multiple carrying Ill 151 over Spring Creek in Jackson County, Illinois. It was built in 1935 and reconstructed in 1995, so it is 90 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 850 vehicles a day, roughly 20% of them trucks, projected to reach 859 by 2046. The structure is 31 ft (9.4 m) long and 36 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesIll 151
CrossesSpring Creek
Location2.3 MI S of Ava
RouteState Highway 151
Coordinates37.85081, -89.51569
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating68.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span30 ft (9 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2023)
Projected traffic859 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

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 Ill 151 over Spring Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1995.

What condition is Ill 151 over Spring 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 Ill 151 over Spring Creek carry?

About 850 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Ill 151 over Spring Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9 m) and a deck 36 ft wide.

Who owns Ill 151 over Spring Creek?

It is owned by the State Highway Agency.