US Bridges

TR 385 over Elm River

Good

Clay County, Illinois · 4 Miles SE Flora · Structure no. 013324400000000

Built
2015
10 years old
Condition
Good
inspected February 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
25
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 385 over Elm River is a prestressed concrete box beam or girders - multiple carrying TR 385 over Elm River in Clay County, Illinois. It was built in 2015, so it is 10 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 25 vehicles a day, roughly 16% of them trucks, projected to reach 25 by 2046. The structure is 67 ft (20.5 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 385
CrossesElm River
Location4 Miles SE Flora
RouteCounty Highway 0
Coordinates38.61746, -88.41893
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 inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum 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 length67 ft (20.5 m)
Longest span65 ft (19.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2021)
Projected traffic25 by 2046
Trucks16%
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 385 over Elm River built?

It was built in 2015, making it 10 years old in 2025.

What condition is TR 385 over Elm River 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 2022.

How much traffic does TR 385 over Elm River carry?

About 25 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is TR 385 over Elm River?

The structure is 67 ft (20.5 m) long with a longest span of 65 ft (19.8 m) and a deck 24 ft wide.

Who owns TR 385 over Elm River?

It is owned by the Town or Township Highway Agency.