US Bridges

FAP-777 (ILL-185) over Hurricane CR Branch

Fair

Fayette County, Illinois · .5 MI SE Mont CO LN · Structure no. 026005100000000

Built
1935
90 years old, rebuilt 1985
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-777 (ILL-185) over Hurricane CR Branch is a steel stringer/multi-beam or girder carrying FAP-777 (ILL-185) over Hurricane CR Branch in Fayette County, Illinois. It was built in 1935 and reconstructed in 1985, so it is 90 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 1,700 vehicles a day, roughly 15% of them trucks, projected to reach 2,346 by 2046. The structure is 34 ft (10.4 m) long and 43 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

Open in Google Maps
CarriesFAP-777 (ILL-185)
CrossesHurricane CR Branch
Location.5 MI SE Mont CO LN
RouteState Highway 185
CountyFayette County
StateIllinois
Coordinates39.02984, -89.24214
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.2 US tons
Inventory rating66.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic2,346 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$205,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP-777 (ILL-185) over Hurricane CR Branch built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1985.

What condition is FAP-777 (ILL-185) over Hurricane CR Branch 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 FAP-777 (ILL-185) over Hurricane CR Branch carry?

About 1,700 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is FAP-777 (ILL-185) over Hurricane CR Branch?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 43 ft wide.

Who owns FAP-777 (ILL-185) over Hurricane CR Branch?

It is owned by the State Highway Agency.