US Bridges

TR 8 over Unnamed Tributary

Good

Moultrie County, Illinois · 2.4 M. SE Dalton Cit · Structure no. 070413100000000

Built
2019
6 years old
Condition
Good
inspected July 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
20
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 8 over Unnamed Tributary is a prestressed concrete box beam or girders - multiple carrying TR 8 over Unnamed Tributary in Moultrie County, Illinois. It was built in 2019, so it is 6 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 20 vehicles a day, roughly 5% of them trucks, projected to reach 21 by 2046. The structure is 57 ft (17.4 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 8
CrossesUnnamed Tributary
Location2.4 M. SE Dalton Cit
RouteCounty Highway 0
CountyMoultrie County
StateIllinois
Coordinates39.68659, -88.77037
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating45.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length57 ft (17.4 m)
Longest span53 ft (16.3 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic21 by 2046
Trucks5%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 8 over Unnamed Tributary built?

It was built in 2019, making it 6 years old in 2025.

What condition is TR 8 over Unnamed Tributary 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 2021.

How much traffic does TR 8 over Unnamed Tributary carry?

About 20 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is TR 8 over Unnamed Tributary?

The structure is 57 ft (17.4 m) long with a longest span of 53 ft (16.3 m) and a deck 27 ft wide.

Who owns TR 8 over Unnamed Tributary?

It is owned by the Town or Township Highway Agency.