US Bridges

US 45 FAS 338 over Spring Creek (s)

Good

Iroquois County, Illinois · 14.88 MI S of Il 54 · Structure no. 038201800000000

Built
2008
17 years old
Condition
Good
inspected February 2021
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
3,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 45 FAS 338 over Spring Creek (s) is a concrete culvert carrying US 45 FAS 338 over Spring Creek (s) in Iroquois County, Illinois. It was built in 2008, so it is 17 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 3,300 vehicles a day, roughly 14% of them trucks, projected to reach 2,828 by 2046. The structure is 24 ft (7.4 m) long and 52 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 45 FAS 338
CrossesSpring Creek (s)
Location14.88 MI S of Il 54
RouteU.S. Route 45
Coordinates40.50667, -88.07638
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span11 ft (3.4 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic2,828 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 US 45 FAS 338 over Spring Creek (s) built?

It was built in 2008, making it 17 years old in 2025.

What condition is US 45 FAS 338 over Spring Creek (s) 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 February 2021.

How much traffic does US 45 FAS 338 over Spring Creek (s) carry?

About 3,300 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 45 FAS 338 over Spring Creek (s)?

The structure is 24 ft (7.4 m) long with a longest span of 11 ft (3.4 m) and a deck 52 ft wide.

Who owns US 45 FAS 338 over Spring Creek (s)?

It is owned by the State Highway Agency.