US Bridges

TR 304 over Salt Fork River

Good

Champaign County, Illinois · 3 MI Wnw of Homer · Structure no. 010435300000000

Built
1989
36 years old
Condition
Good
inspected April 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
174 ft
3 main spans
Daily traffic
400
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 304 over Salt Fork River is a prestressed concrete box beam or girders - multiple carrying TR 304 over Salt Fork River in Champaign County, Illinois. It was built in 1989, so it is 36 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 10% of them trucks, projected to reach 404 by 2046. The structure is 174 ft (52.9 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 304
CrossesSalt Fork River
Location3 MI Wnw of Homer
RouteCounty Highway 0
Coordinates40.04745, -88.00969
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length174 ft (52.9 m)
Longest span80 ft (24.4 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2021)
Projected traffic404 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 304 over Salt Fork River built?

It was built in 1989, making it 36 years old in 2025.

What condition is TR 304 over Salt Fork River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2022.

How much traffic does TR 304 over Salt Fork River carry?

About 400 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is TR 304 over Salt Fork River?

The structure is 174 ft (52.9 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.

Who owns TR 304 over Salt Fork River?

It is owned by the Town or Township Highway Agency.