US Bridges

FAP 709 (us 136) over Sangamon River

Fair

Champaign County, Illinois · 1 MI E of Fisher · Structure no. 010021400000000

Built
1972
53 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
192 ft
3 main spans
Daily traffic
2,500
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 709 (us 136) over Sangamon River is a prestressed concrete stringer/multi-beam or girder carrying FAP 709 (us 136) over Sangamon River in Champaign County, Illinois. It was built in 1972, so it is 53 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 2,500 vehicles a day, roughly 9% of them trucks, projected to reach 2,576 by 2046. The structure is 192 ft (58.5 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAP 709 (us 136)
CrossesSangamon River
Location1 MI E of Fisher
RouteU.S. Route 136
Coordinates40.31094, -88.32314
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span63 ft (19.1 m)
Deck width46 ft (14 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic2,576 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$760,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 709 (us 136) over Sangamon River built?

It was built in 1972, making it 53 years old in 2025.

What condition is FAP 709 (us 136) over Sangamon 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 August 2023.

How much traffic does FAP 709 (us 136) over Sangamon River carry?

About 2,500 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is FAP 709 (us 136) over Sangamon River?

The structure is 192 ft (58.5 m) long with a longest span of 63 ft (19.1 m) and a deck 46 ft wide.

Who owns FAP 709 (us 136) over Sangamon River?

It is owned by the State Highway Agency.