US Bridges

TR 71B Wall over Wall Town DR Ditch

Good

Ford County, Illinois · 1360E 1000N · Structure no. 027336300000000

Built
1988
37 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
25
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 71B Wall over Wall Town DR Ditch is a concrete continuous slab carrying TR 71B Wall over Wall Town DR Ditch in Ford County, Illinois. It was built in 1988, so it is 37 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, projected to reach 25 by 2046. The structure is 87 ft (26.5 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTR 71B Wall
CrossesWall Town DR Ditch
Location1360E 1000N
RouteCounty Highway 0
Coordinates40.5453, -88.2006
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 inspectionMay 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span33 ft (10.1 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic25 by 2046
Trucks0%
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 71B Wall over Wall Town DR Ditch built?

It was built in 1988, making it 37 years old in 2025.

What condition is TR 71B Wall over Wall Town DR Ditch 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 May 2024.

How much traffic does TR 71B Wall over Wall Town DR Ditch carry?

About 25 vehicles per day (2023 count).

How long is TR 71B Wall over Wall Town DR Ditch?

The structure is 87 ft (26.5 m) long with a longest span of 33 ft (10.1 m) and a deck 29 ft wide.

Who owns TR 71B Wall over Wall Town DR Ditch?

It is owned by the Town or Township Highway Agency.