US Bridges

Washington(fau 797 over Spring Creek

Good

Sangamon County, Illinois · 0.50 MI W of Il 4 · Structure no. 084800200000000

Built
1984
41 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
5,100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington(fau 797 over Spring Creek is a concrete continuous culvert carrying Washington(fau 797 over Spring Creek in Sangamon County, Illinois. It was built in 1984, so it is 41 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 5,100 vehicles a day, roughly 2% of them trucks, projected to reach 5,454 by 2046. The structure is 29 ft (8.9 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWashington(fau 797
CrossesSpring Creek
Location0.50 MI W of Il 4
CountySangamon County
StateIllinois
Coordinates39.80116, -89.71589
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating47.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span14 ft (4.3 m)
Deck width45 ft (13.7 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2022)
Projected traffic5,454 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 Washington(fau 797 over Spring Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Washington(fau 797 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 Washington(fau 797 over Spring Creek carry?

About 5,100 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Washington(fau 797 over Spring Creek?

The structure is 29 ft (8.9 m) long with a longest span of 14 ft (4.3 m) and a deck 45 ft wide.

Who owns Washington(fau 797 over Spring Creek?

It is owned by the City or Municipal Highway Agency.