US Bridges

FAP 323(US 36) over Embarras River

Fair

Douglas County, Illinois · W of Camargo · Structure no. 021005700000000

Built
1991
34 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
195 ft
3 main spans
Daily traffic
4,250
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 323(US 36) over Embarras River is a steel continuous stringer/multi-beam or girder carrying FAP 323(US 36) over Embarras River in Douglas County, Illinois. It was built in 1991, so it is 34 years old, younger 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 6 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 4,250 vehicles a day, roughly 12% of them trucks, projected to reach 4,250 by 2046. The structure is 195 ft (59.4 m) long and 39 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesFAP 323(US 36)
CrossesEmbarras River
LocationW of Camargo
RouteU.S. Route 36
Coordinates39.7917, -88.18653
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating96.5 US tons
Inventory rating57.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length195 ft (59.4 m)
Longest span72 ft (22 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,250 (2023)
Projected traffic4,250 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemYes

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 FAP 323(US 36) over Embarras River built?

It was built in 1991, making it 34 years old in 2025.

What condition is FAP 323(US 36) 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 November 2023.

How much traffic does FAP 323(US 36) over Embarras River carry?

About 4,250 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FAP 323(US 36) over Embarras River?

The structure is 195 ft (59.4 m) long with a longest span of 72 ft (22 m) and a deck 39 ft wide.

Who owns FAP 323(US 36) over Embarras River?

It is owned by the State Highway Agency.