US Bridges

TR 313 over Richland Creek Trib

Good

Shelby County, Illinois · Hidden Springs Fores · Structure no. 087346800000000

Built
1995
30 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Wood or Timber
Length
46 ft
1 main span
Daily traffic
125
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 313 over Richland Creek Trib is a wood or timber tee beam carrying TR 313 over Richland Creek Trib in Shelby County, Illinois. It was built in 1995, so it is 30 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 125 vehicles a day, roughly 13% of them trucks, projected to reach 101 by 2046. The structure is 46 ft (14 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 313
CrossesRichland Creek Trib
LocationHidden Springs Fores
RouteCounty Highway 0
Coordinates39.31729, -88.69421
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2024)
Projected traffic101 by 2046
Trucks13%
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 313 over Richland Creek Trib built?

It was built in 1995, making it 30 years old in 2025.

What condition is TR 313 over Richland Creek Trib 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 June 2024.

How much traffic does TR 313 over Richland Creek Trib carry?

About 125 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is TR 313 over Richland Creek Trib?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 24 ft wide.

Who owns TR 313 over Richland Creek Trib?

It is owned by the Town or Township Highway Agency.