US Bridges

T 360 over Dry Run

Good

Norman County, Minnesota · 0.2 MI E of JCT Csah 6 · Structure no. L9774

Built
1978
47 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
15
1986 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 360 over Dry Run is a concrete culvert carrying T 360 over Dry Run in Norman 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 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 15 vehicles a day, projected to reach 15 by 2029. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 360
CrossesDry Run
Location0.2 MI E of JCT Csah 6
RouteCounty Highway 360
Coordinates47.15125, -96.72823
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (1986)
Projected traffic15 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 360 over Dry Run built?

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

What condition is T 360 over Dry Run 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 2024.

How much traffic does T 360 over Dry Run carry?

About 15 vehicles per day (1986 count).

How long is T 360 over Dry Run?

The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.5 m).

Who owns T 360 over Dry Run?

It is owned by the Town or Township Highway Agency.