US Bridges

Washington ST over Jacksonville Branch

Good

Sangamon County, Illinois · 0.25 MI W CH27 · Structure no. 084600100000000

Built
1978
47 years old, rebuilt 2010
Condition
Good
inspected March 2021
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
8,100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington ST over Jacksonville Branch is a concrete continuous slab carrying Washington ST over Jacksonville Branch in Sangamon County, Illinois. It was built in 1978 and reconstructed in 2010, so it is 47 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 8,100 vehicles a day, roughly 3% of them trucks, projected to reach 8,200 by 2046. The structure is 100 ft (30.6 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWashington ST
CrossesJacksonville Branch
Location0.25 MI W CH27
CountySangamon County
StateIllinois
Coordinates39.80139, -89.68849
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum 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
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length100 ft (30.6 m)
Longest span39 ft (11.9 m)
Deck width81 ft (24.7 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,100 (2022)
Projected traffic8,200 by 2046
Trucks3%
Lanes on structure4
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 ST over Jacksonville Branch built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2010.

What condition is Washington ST over Jacksonville 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 March 2021.

How much traffic does Washington ST over Jacksonville Branch carry?

About 8,100 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Washington ST over Jacksonville Branch?

The structure is 100 ft (30.6 m) long with a longest span of 39 ft (11.9 m) and a deck 81 ft wide.

Who owns Washington ST over Jacksonville Branch?

It is owned by the City or Municipal Highway Agency.