US Bridges

T 179 over Pomme De Terre River

Good

Grant County, Minnesota · 0.9 MI E of JCT TH 59 · Structure no. L9843

Built
1978
47 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
20
1970 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 179 over Pomme De Terre River is a concrete culvert carrying T 179 over Pomme De Terre River in Grant County, Minnesota. It was built in 1978, so it is 47 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, projected to reach 20 by 2029. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT 179
CrossesPomme De Terre River
Location0.9 MI E of JCT TH 59
RouteCounty Highway 179
Coordinates45.80317, -95.86419
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.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1970)
Projected traffic20 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 T 179 over Pomme De Terre River built?

It was built in 1978, making it 47 years old in 2025.

What condition is T 179 over Pomme De Terre 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 October 2021.

How much traffic does T 179 over Pomme De Terre River carry?

About 20 vehicles per day (1970 count).

How long is T 179 over Pomme De Terre River?

The structure is 31 ft (9.6 m) long with a longest span of 13 ft (3.9 m).

Who owns T 179 over Pomme De Terre River?

It is owned by the Town or Township Highway Agency.