US Bridges

TR-302 over Bishop Creek

Good

Effingham County, Illinois · 3 MI NW Dietrich · Structure no. 025501100000000

Built
1978
47 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
275
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-302 over Bishop Creek is a concrete culvert carrying TR-302 over Bishop Creek in Effingham County, Illinois. It was built in 1978, so it is 47 years old, older 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 275 vehicles a day, roughly 11% of them trucks, projected to reach 318 by 2046. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR-302
CrossesBishop Creek
Location3 MI NW Dietrich
RouteCounty Highway 0
Coordinates39.06953, -88.43683
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment7: Better than present minimum criteria
Operating rating57.5 US tons
Inventory rating34.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic318 by 2046
Trucks11%
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

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-302 over Bishop Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is TR-302 over Bishop Creek 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 July 2024.

How much traffic does TR-302 over Bishop Creek carry?

About 275 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is TR-302 over Bishop Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns TR-302 over Bishop Creek?

It is owned by the Town or Township Highway Agency.