US Bridges

Marine Road-Fas 77 over Silver Creek Ovrflw

Fair

Madison County, Illinois · 1.2MI N. of US 40 · Structure no. 060016600000000

Built
1923
102 years old, rebuilt 1974
Condition
Fair
inspected May 2024
Type
Culvert
Steel
Length
71 ft
8 main spans
Daily traffic
800
2021 count
Owner
State
State Highway Agency

About this bridge

Marine Road-Fas 77 over Silver Creek Ovrflw is a steel culvert carrying Marine Road-Fas 77 over Silver Creek Ovrflw in Madison County, Illinois. It was built in 1923 and reconstructed in 1974, so it is 102 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 800 vehicles a day, roughly 9% of them trucks, projected to reach 856 by 2046. The structure is 71 ft (21.7 m) long. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesMarine Road-Fas 77
CrossesSilver Creek Ovrflw
Location1.2MI N. of US 40
RouteCounty Highway 0
CountyMadison County
StateIllinois
Coordinates38.73602, -89.77417
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating90.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans8
Design loadUnknown
Structure length71 ft (21.7 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2021)
Projected traffic856 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Marine Road-Fas 77 over Silver Creek Ovrflw built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1974.

What condition is Marine Road-Fas 77 over Silver Creek Ovrflw 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 May 2024.

How much traffic does Marine Road-Fas 77 over Silver Creek Ovrflw carry?

About 800 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Marine Road-Fas 77 over Silver Creek Ovrflw?

The structure is 71 ft (21.7 m) long with a longest span of 6 ft (1.8 m).

Who owns Marine Road-Fas 77 over Silver Creek Ovrflw?

It is owned by the State Highway Agency.