US Bridges

TR 71 over Lamoine River

Good

Hancock County, Illinois · 0.81 MI E TR 236 · Structure no. 034413900000000

Built
2023
2 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
25
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 71 over Lamoine River is a prestressed concrete box beam or girders - multiple carrying TR 71 over Lamoine River in Hancock County, Illinois. It was built in 2023, so it is 2 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 9 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, projected to reach 50 by 2046. The structure is 152 ft (46.3 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 71
CrossesLamoine River
Location0.81 MI E TR 236
RouteCounty Highway 0
CountyHancock County
StateIllinois
Coordinates40.56255, -91.03603
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating50.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length152 ft (46.3 m)
Longest span60 ft (18.3 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2017)
Projected traffic50 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 71 over Lamoine River built?

It was built in 2023, making it 2 years old in 2025.

What condition is TR 71 over Lamoine 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 September 2023.

How much traffic does TR 71 over Lamoine River carry?

About 25 vehicles per day (2017 count).

How long is TR 71 over Lamoine River?

The structure is 152 ft (46.3 m) long with a longest span of 60 ft (18.3 m) and a deck 27 ft wide.

Who owns TR 71 over Lamoine River?

It is owned by the Town or Township Highway Agency.