US Bridges

TR 476 over Trib Lone Grove Br

Good

Fayette County, Illinois · W St. Peter · Structure no. 026346200000000

Built
2016
9 years old
Condition
Good
inspected January 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
150
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 476 over Trib Lone Grove Br is a prestressed concrete box beam or girders - multiple carrying TR 476 over Trib Lone Grove Br in Fayette County, Illinois. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 17% of them trucks, projected to reach 128 by 2046. The structure is 68 ft (20.6 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 476
CrossesTrib Lone Grove Br
LocationW St. Peter
RouteCounty Highway 0
Coordinates38.86541, -88.86314
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length68 ft (20.6 m)
Longest span65 ft (19.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic128 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 476 over Trib Lone Grove Br built?

It was built in 2016, making it 9 years old in 2025.

What condition is TR 476 over Trib Lone Grove Br 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 January 2022.

How much traffic does TR 476 over Trib Lone Grove Br carry?

About 150 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is TR 476 over Trib Lone Grove Br?

The structure is 68 ft (20.6 m) long with a longest span of 65 ft (19.7 m) and a deck 24 ft wide.

Who owns TR 476 over Trib Lone Grove Br?

It is owned by the Town or Township Highway Agency.