US Bridges

FAU 7977 over Spring Creek

Good

Sangamon County, Illinois · W. Washington St. · Structure no. 084800400000000

Built
1990
35 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
3,600
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 7977 over Spring Creek is a concrete continuous culvert carrying FAU 7977 over Spring Creek in Sangamon 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 3,600 vehicles a day, roughly 2% of them trucks, projected to reach 4,394 by 2046. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAU 7977
CrossesSpring Creek
LocationW. Washington St.
CountySangamon County
StateIllinois
Coordinates39.80118, -89.72688
Functional classUrban Minor Arterial

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 inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span3 ft (0.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2022)
Projected traffic4,394 by 2046
Trucks2%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 FAU 7977 over Spring Creek built?

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

What condition is FAU 7977 over 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 April 2023.

How much traffic does FAU 7977 over Spring Creek carry?

About 3,600 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is FAU 7977 over Spring Creek?

The structure is 29 ft (8.7 m) long with a longest span of 3 ft (0.9 m).

Who owns FAU 7977 over Spring Creek?

It is owned by the City or Municipal Highway Agency.