US Bridges

FAS 605 over Wolf Run Creek

Fair

Scott County, Illinois · 1 MI NW Bluffs · Structure no. 086300000000000

Built
1959
66 years old, rebuilt 2010
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
800
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 605 over Wolf Run Creek is a prestressed concrete box beam or girders - multiple carrying FAS 605 over Wolf Run Creek in Scott County, Illinois. It was built in 1959 and reconstructed in 2010, so it is 66 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 800 vehicles a day, roughly 34% of them trucks, projected to reach 808 by 2046. The structure is 54 ft (16.5 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS 605
CrossesWolf Run Creek
Location1 MI NW Bluffs
RouteCounty Highway 0
Coordinates39.76118, -90.55601
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length54 ft (16.5 m)
Longest span53 ft (16.1 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2020)
Projected traffic808 by 2046
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 FAS 605 over Wolf Run Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2010.

What condition is FAS 605 over Wolf Run 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 June 2024.

How much traffic does FAS 605 over Wolf Run Creek carry?

About 800 vehicles per day (2020 count), of which roughly 34% are trucks.

How long is FAS 605 over Wolf Run Creek?

The structure is 54 ft (16.5 m) long with a longest span of 53 ft (16.1 m) and a deck 33 ft wide.

Who owns FAS 605 over Wolf Run Creek?

It is owned by the County Highway Agency.