US Bridges

TR 137 over Unnamed Stream

Good

Pope County, Illinois · 1 MI W of Homberg · Structure no. 076500200000000

Built
2012
13 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

TR 137 over Unnamed Stream is a concrete culvert carrying TR 137 over Unnamed Stream in Pope County, Illinois. It was built in 2012, so it is 13 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, roughly 46% of them trucks, projected to reach 51 by 2046. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesTR 137
CrossesUnnamed Stream
Location1 MI W of Homberg
RouteCounty Highway 0
CountyPope County
StateIllinois
Coordinates37.32256, -88.56883
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 inspectionSeptember 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.8 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic51 by 2046
Trucks46%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 137 over Unnamed Stream built?

It was built in 2012, making it 13 years old in 2025.

What condition is TR 137 over Unnamed Stream 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 September 2023.

How much traffic does TR 137 over Unnamed Stream carry?

About 50 vehicles per day (2023 count), of which roughly 46% are trucks.

How long is TR 137 over Unnamed Stream?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.8 m) and a deck 24 ft wide.

Who owns TR 137 over Unnamed Stream?

It is owned by the County Highway Agency.