US Bridges

TR 78 over Sangamon River

Fair

Champaign County, Illinois · 1 MI S of Fisher · Structure no. 010445200000000

Built
1999
26 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
322 ft
4 main spans
Daily traffic
600
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 78 over Sangamon River is a prestressed concrete box beam or girders - multiple carrying TR 78 over Sangamon River in Champaign County, Illinois. It was built in 1999, so it is 26 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 600 vehicles a day, roughly 17% of them trucks, projected to reach 606 by 2046. The structure is 322 ft (98 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 78
CrossesSangamon River
Location1 MI S of Fisher
RouteCounty Highway 0
Coordinates40.29498, -88.34663
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionMarch 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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length322 ft (98 m)
Longest span80 ft (24.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2021)
Projected traffic606 by 2046
Trucks17%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR 78 over Sangamon River built?

It was built in 1999, making it 26 years old in 2025.

What condition is TR 78 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 March 2023.

How much traffic does TR 78 over Sangamon River carry?

About 600 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is TR 78 over Sangamon River?

The structure is 322 ft (98 m) long with a longest span of 80 ft (24.4 m) and a deck 30 ft wide.

Who owns TR 78 over Sangamon River?

It is owned by the Town or Township Highway Agency.