US Bridges

TR 254-MCMAHAN RD over Trib to Glenn CR

Good

Jackson County, Illinois · 0.1 MI N Elkville RD · Structure no. 039323400000000

Built
2000
25 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
150
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 254-MCMAHAN RD over Trib to Glenn CR is a prestressed concrete box beam or girders - multiple carrying TR 254-MCMAHAN RD over Trib to Glenn CR in Jackson County, Illinois. It was built in 2000, so it is 25 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 150 vehicles a day, roughly 33% of them trucks, projected to reach 126 by 2046. The structure is 52 ft (15.7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 254-MCMAHAN RD
CrossesTrib to Glenn CR
Location0.1 MI N Elkville RD
RouteCounty Highway 0
Coordinates37.91028, -89.3019
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 inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length52 ft (15.7 m)
Longest span50 ft (15.1 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic126 by 2046
Trucks33%
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 254-MCMAHAN RD over Trib to Glenn CR built?

It was built in 2000, making it 25 years old in 2025.

What condition is TR 254-MCMAHAN RD over Trib to Glenn 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 March 2023.

How much traffic does TR 254-MCMAHAN RD over Trib to Glenn CR carry?

About 150 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is TR 254-MCMAHAN RD over Trib to Glenn CR?

The structure is 52 ft (15.7 m) long with a longest span of 50 ft (15.1 m) and a deck 24 ft wide.

Who owns TR 254-MCMAHAN RD over Trib to Glenn CR?

It is owned by the Town or Township Highway Agency.