US Bridges

TR-51 over Elm River

Fair

Wayne County, Illinois · 5 MI NE Cisne · Structure no. 096331000000000

Built
1979
46 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
138 ft
3 main spans
Daily traffic
35
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-51 over Elm River is a prestressed concrete box beam or girders - multiple carrying TR-51 over Elm River in Wayne County, Illinois. It was built in 1979, so it is 46 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 35 vehicles a day, projected to reach 51 by 2046. The structure is 138 ft (42.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR-51
CrossesElm River
Location5 MI NE Cisne
RouteCounty Highway 0
Coordinates38.58783, -88.38329
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span46 ft (14 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic51 by 2046
Trucks0%
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-51 over Elm River built?

It was built in 1979, making it 46 years old in 2025.

What condition is TR-51 over Elm River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does TR-51 over Elm River carry?

About 35 vehicles per day (2022 count).

How long is TR-51 over Elm River?

The structure is 138 ft (42.1 m) long with a longest span of 46 ft (14 m) and a deck 24 ft wide.

Who owns TR-51 over Elm River?

It is owned by the Town or Township Highway Agency.