US Bridges

Salisbury ST/FAU91 over Miss River

Fair

Madison County, Illinois · Venice · Structure no. 060600200000000

Built
1910
115 years old, rebuilt 2005
Condition
Fair
inspected September 2023
Type
Truss - Thru
Steel
Length
5,733 ft
3 main spans
Daily traffic
14,300
2021 count
Owner
State
State Highway Agency

About this bridge

Salisbury ST/FAU91 over Miss River is a steel truss - thru carrying Salisbury ST/FAU91 over Miss River in Madison County, Illinois. It was built in 1910 and reconstructed in 2005, so it is 115 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 14,300 vehicles a day, roughly 17% of them trucks, projected to reach 15,301 by 2046. The structure is 5,733 ft (1,747.4 m) long and 47 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSalisbury ST/FAU91
CrossesMiss River
LocationVenice
CountyMadison County
StateIllinois
Coordinates38.66511, -90.18257
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating56.1 US tons
Inventory rating33.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+31 approach)
Design loadHS 20
Structure length5,733 ft (1,747.4 m)
Longest span517 ft (157.7 m)
Deck width47 ft (14.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,300 (2021)
Projected traffic15,301 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$8.2 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Salisbury ST/FAU91 over Miss River built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 2005.

What condition is Salisbury ST/FAU91 over Miss River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Salisbury ST/FAU91 over Miss River carry?

About 14,300 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is Salisbury ST/FAU91 over Miss River?

The structure is 5,733 ft (1,747.4 m) long with a longest span of 517 ft (157.7 m) and a deck 47 ft wide.

Who owns Salisbury ST/FAU91 over Miss River?

It is owned by the State Highway Agency.