US Bridges

T 138 over Straight River

Good

Steele County, Minnesota · 1.1 MI N of JCT Mn 30 · Structure no. 74J28

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
49
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 138 over Straight River is a concrete culvert carrying T 138 over Straight River in Steele County, Minnesota. It was built in 2023, so it is 2 years old, younger than the Minnesota average of 38.5 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 49 vehicles a day, projected to reach 49 by 2042. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesT 138
CrossesStraight River
Location1.1 MI N of JCT Mn 30
RouteCounty Highway 138
CountySteele County
StateMinnesota
Coordinates43.89376, -93.14578
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable 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 spans2
Design loadHL 93
Structure length34 ft (10.3 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2042
Trucks—
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 138 over Straight River built?

It was built in 2023, making it 2 years old in 2025.

What condition is T 138 over Straight River 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 December 2023.

How much traffic does T 138 over Straight River carry?

About 49 vehicles per day (2022 count).

How long is T 138 over Straight River?

The structure is 34 ft (10.3 m) long with a longest span of 16 ft (4.9 m).

Who owns T 138 over Straight River?

It is owned by the Town or Township Highway Agency.