US Bridges

T 128 over White Earth River

Good

Mahnomen County, Minnesota · 0.5 MI E of JCT CR 113 · Structure no. 44J11

Built
2021
4 years old
Condition
Good
inspected July 2024
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
10
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 128 over White Earth River is a steel culvert carrying T 128 over White Earth River in Mahnomen County, Minnesota. It was built in 2021, so it is 4 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 10 vehicles a day, projected to reach 11 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 123 mi (198 km).

CarriesT 128
CrossesWhite Earth River
Location0.5 MI E of JCT CR 113
RouteCounty Highway 128
Coordinates47.19588, -95.80549
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHL 93
Structure length23 ft (7 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic11 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123 mi (198 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byCounty 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 128 over White Earth River built?

It was built in 2021, making it 4 years old in 2025.

What condition is T 128 over White Earth 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 July 2024.

How much traffic does T 128 over White Earth River carry?

About 10 vehicles per day (2020 count).

How long is T 128 over White Earth River?

The structure is 23 ft (7 m) long with a longest span of 9 ft (2.8 m).

Who owns T 128 over White Earth River?

It is owned by the Town or Township Highway Agency and maintained by the County Highway Agency.