US Bridges

TR 171 Jerusalem R over Trib to Cahokia CR

Good

Madison County, Illinois · 2 MI SW of Carpenter · Structure no. 060337100000000

Built
2020
5 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
250
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 171 Jerusalem R over Trib to Cahokia CR is a concrete culvert carrying TR 171 Jerusalem R over Trib to Cahokia CR in Madison County, Illinois. It was built in 2020, so it is 5 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 250 vehicles a day, roughly 10% of them trucks, projected to reach 268 by 2046. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 171 Jerusalem R
CrossesTrib to Cahokia CR
Location2 MI SW of Carpenter
RouteCounty Highway 0
CountyMadison County
StateIllinois
Coordinates38.86452, -89.92317
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width0 ft (0 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic268 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 171 Jerusalem R over Trib to Cahokia CR built?

It was built in 2020, making it 5 years old in 2025.

What condition is TR 171 Jerusalem R over Trib to Cahokia CR 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 October 2023.

How much traffic does TR 171 Jerusalem R over Trib to Cahokia CR carry?

About 250 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is TR 171 Jerusalem R over Trib to Cahokia CR?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m).

Who owns TR 171 Jerusalem R over Trib to Cahokia CR?

It is owned by the Town or Township Highway Agency.