US Bridges

TR 137 over Little Mackinaw Rive

Good

Tazewell County, Illinois · E.CTR-27-T24NR2W · Structure no. 090506800000000

Built
2022
3 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
50
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 137 over Little Mackinaw Rive is a concrete culvert carrying TR 137 over Little Mackinaw Rive in Tazewell County, Illinois. It was built in 2022, so it is 3 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 50 vehicles a day, projected to reach 54 by 2032. The structure is 35 ft (10.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 137
CrossesLittle Mackinaw Rive
LocationE.CTR-27-T24NR2W
RouteCounty Highway 0
CountyTazewell County
StateIllinois
Coordinates40.50671, -89.30659
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 inspectionNovember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating52.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length35 ft (10.8 m)
Longest span17 ft (5.2 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2018)
Projected traffic54 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 137 over Little Mackinaw Rive built?

It was built in 2022, making it 3 years old in 2025.

What condition is TR 137 over Little Mackinaw Rive 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 November 2024.

How much traffic does TR 137 over Little Mackinaw Rive carry?

About 50 vehicles per day (2018 count).

How long is TR 137 over Little Mackinaw Rive?

The structure is 35 ft (10.8 m) long with a longest span of 17 ft (5.2 m) and a deck 26 ft wide.

Who owns TR 137 over Little Mackinaw Rive?

It is owned by the Town or Township Highway Agency.