US Bridges

Il 121 (fap 773) over Embarras River

Fair

Cumberland County, Illinois · NW Cl Greenup · Structure no. 018001900000000

Built
1960
65 years old, rebuilt 1995
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
299 ft
4 main spans
Daily traffic
3,450
2023 count
Owner
State
State Highway Agency

About this bridge

Il 121 (fap 773) over Embarras River is a steel continuous stringer/multi-beam or girder carrying Il 121 (fap 773) over Embarras River in Cumberland County, Illinois. It was built in 1960 and reconstructed in 1995, so it is 65 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 3,450 vehicles a day, roughly 7% of them trucks, projected to reach 3,588 by 2046. The structure is 299 ft (91 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIl 121 (fap 773)
CrossesEmbarras River
LocationNW Cl Greenup
RouteState Highway 121
CountyCumberland County
StateIllinois
Coordinates39.25139, -88.17375
Functional classRural Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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
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 rating91.1 US tons
Inventory rating54.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length299 ft (91 m)
Longest span83 ft (25.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,450 (2023)
Projected traffic3,588 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Il 121 (fap 773) over Embarras River built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1995.

What condition is Il 121 (fap 773) over Embarras 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 July 2024.

How much traffic does Il 121 (fap 773) over Embarras River carry?

About 3,450 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Il 121 (fap 773) over Embarras River?

The structure is 299 ft (91 m) long with a longest span of 83 ft (25.2 m) and a deck 35 ft wide.

Who owns Il 121 (fap 773) over Embarras River?

It is owned by the State Highway Agency.