US Bridges

TR 147 over Stony Creek

Good

Vermilion County, Illinois · 3 MI SE Bismarck · Structure no. 092329400000000

Built
1976
49 years old
Condition
Good
inspected February 2021
Type
Channel Beam
Concrete
Length
68 ft
2 main spans
Daily traffic
225
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 147 over Stony Creek is a concrete channel beam carrying TR 147 over Stony Creek in Vermilion County, Illinois. It was built in 1976, so it is 49 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 225 vehicles a day, roughly 6% of them trucks, projected to reach 227 by 2046. The structure is 68 ft (20.7 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesTR 147
CrossesStony Creek
Location3 MI SE Bismarck
RouteCounty Highway 0
Coordinates40.25017, -87.55605
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2021
Inspection intervalevery 48 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span33 ft (10.1 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic227 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 147 over Stony Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is TR 147 over Stony 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 February 2021.

How much traffic does TR 147 over Stony Creek carry?

About 225 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is TR 147 over Stony Creek?

The structure is 68 ft (20.7 m) long with a longest span of 33 ft (10.1 m) and a deck 27 ft wide.

Who owns TR 147 over Stony Creek?

It is owned by the Town or Township Highway Agency.