US Bridges

FAS 337 over Br of Spring Creek

Good

Iroquois County, Illinois · .41 Miles E FAI 57 · Structure no. 038020400000000

Built
1994
31 years old
Condition
Good
inspected August 2022
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
150
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

FAS 337 over Br of Spring Creek is a concrete continuous slab carrying FAS 337 over Br of Spring Creek in Iroquois County, Illinois. It was built in 1994, so it is 31 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 8 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 41% of them trucks, projected to reach 101 by 2046. The structure is 113 ft (34.3 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAS 337
CrossesBr of Spring Creek
Location.41 Miles E FAI 57
RouteCounty Highway 0
Coordinates40.67848, -88.02814
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length113 ft (34.3 m)
Longest span42 ft (12.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic101 by 2046
Trucks41%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 337 over Br of Spring Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is FAS 337 over Br of Spring 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 August 2022.

How much traffic does FAS 337 over Br of Spring Creek carry?

About 150 vehicles per day (2022 count), of which roughly 41% are trucks.

How long is FAS 337 over Br of Spring Creek?

The structure is 113 ft (34.3 m) long with a longest span of 42 ft (12.8 m) and a deck 27 ft wide.

Who owns FAS 337 over Br of Spring Creek?

It is owned by the Town or Township Highway Agency.