US Bridges

US 136(FAP 709) over Middle Fork River

Fair

Vermilion County, Illinois · 1.8 MI W Ill 49 · Structure no. 092005800000000

Built
1928
97 years old, rebuilt 1984
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
284 ft
5 main spans
Daily traffic
1,550
2023 count
Owner
State
State Highway Agency

About this bridge

US 136(FAP 709) over Middle Fork River is a steel continuous stringer/multi-beam or girder carrying US 136(FAP 709) over Middle Fork River in Vermilion County, Illinois. It was built in 1928 and reconstructed in 1984, so it is 97 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 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 1,550 vehicles a day, roughly 10% of them trucks, projected to reach 1,717 by 2046. The structure is 284 ft (86.7 m) long and 35 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesUS 136(FAP 709)
CrossesMiddle Fork River
Location1.8 MI W Ill 49
RouteU.S. Route 136
CountyVermilion County
StateIllinois
Coordinates40.31339, -87.92561
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating98.2 US tons
Inventory rating60.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length284 ft (86.7 m)
Longest span60 ft (18.4 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2023)
Projected traffic1,717 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$846,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 136(FAP 709) over Middle Fork River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1984.

What condition is US 136(FAP 709) over Middle Fork 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 February 2024.

How much traffic does US 136(FAP 709) over Middle Fork River carry?

About 1,550 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 136(FAP 709) over Middle Fork River?

The structure is 284 ft (86.7 m) long with a longest span of 60 ft (18.4 m) and a deck 35 ft wide.

Who owns US 136(FAP 709) over Middle Fork River?

It is owned by the State Highway Agency.