US Bridges

FAS 914 over Austin Creek

Good

Jackson County, Illinois · S 1/2 Sec 34 T8S R4W · Structure no. 039319400000000

Built
1990
35 years old
Condition
Good
inspected December 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
72 ft
2 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 914 over Austin Creek is a prestressed concrete box beam or girders - multiple carrying FAS 914 over Austin Creek in Jackson County, Illinois. It was built in 1990, so it is 35 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 150 vehicles a day, roughly 9% of them trucks, projected to reach 152 by 2046. The structure is 72 ft (21.8 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFAS 914
CrossesAustin Creek
LocationS 1/2 Sec 34 T8S R4W
RouteCounty Highway 0
Coordinates37.78454, -89.53571
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length72 ft (21.8 m)
Longest span34 ft (10.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic152 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 914 over Austin Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is FAS 914 over Austin 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 December 2022.

How much traffic does FAS 914 over Austin Creek carry?

About 150 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is FAS 914 over Austin Creek?

The structure is 72 ft (21.8 m) long with a longest span of 34 ft (10.3 m) and a deck 24 ft wide.

Who owns FAS 914 over Austin Creek?

It is owned by the County Highway Agency.