US Bridges

FAU 7984 Lawrence over Jacksonle Branch

Good

Sangamon County, Illinois · Laurence ST - Spfld · Structure no. 084501000000000

Built
1966
59 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
4,600
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 7984 Lawrence over Jacksonle Branch is a concrete continuous culvert carrying FAU 7984 Lawrence over Jacksonle Branch in Sangamon County, Illinois. It was built in 1966, so it is 59 years old, older 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 4,600 vehicles a day, roughly 2% of them trucks, projected to reach 4,601 by 2046. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAU 7984 Lawrence
CrossesJacksonle Branch
LocationLaurence ST - Spfld
Coordinates39.7941, -89.68371
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 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 rating107.1 US tons
Inventory rating66 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2022)
Projected traffic4,601 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 7984 Lawrence over Jacksonle Branch built?

It was built in 1966, making it 59 years old in 2025.

What condition is FAU 7984 Lawrence over Jacksonle Branch 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 2024.

How much traffic does FAU 7984 Lawrence over Jacksonle Branch carry?

About 4,600 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is FAU 7984 Lawrence over Jacksonle Branch?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns FAU 7984 Lawrence over Jacksonle Branch?

It is owned by the City or Municipal Highway Agency.