US Bridges

TR 35 over Little Beaucoup

Fair

Perry County, Illinois · 1.1 MI W. of US 51 · Structure no. 073314100000000

Built
1987
38 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 35 over Little Beaucoup is a prestressed concrete box beam or girders - multiple carrying TR 35 over Little Beaucoup in Perry County, Illinois. It was built in 1987, so it is 38 years old, younger 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 50 vehicles a day, roughly 18% of them trucks, projected to reach 51 by 2046. The structure is 56 ft (17.1 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTR 35
CrossesLittle Beaucoup
Location1.1 MI W. of US 51
RouteCounty Highway 0
Coordinates38.18509, -89.24975
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span54 ft (16.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic51 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 35 over Little Beaucoup built?

It was built in 1987, making it 38 years old in 2025.

What condition is TR 35 over Little Beaucoup 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 2025.

How much traffic does TR 35 over Little Beaucoup carry?

About 50 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is TR 35 over Little Beaucoup?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 24 ft wide.

Who owns TR 35 over Little Beaucoup?

It is owned by the Town or Township Highway Agency.