US Bridges

85th ST SW over Creek

Good

Grant County, North Dakota · 11 South 3 East of Leith · Structure no. 000000019125370

Built
2020
5 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

85th ST SW over Creek is a concrete culvert carrying 85th ST SW over Creek in Grant County, North Dakota. It was built in 2020, so it is 5 years old, younger than the North Dakota average of 48.2 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, roughly 30% of them trucks, projected to reach 30 by 2039. The structure is 35 ft (10.6 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Carries85th ST SW
CrossesCreek
Location11 South 3 East of Leith
RouteCounty Highway 0
Coordinates46.19042, -101.57891
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.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2022
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 alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length35 ft (10.6 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 traffic20 (2019)
Projected traffic30 by 2039
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 85th ST SW over Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is 85th ST SW over Creek 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 2022.

How much traffic does 85th ST SW over Creek carry?

About 20 vehicles per day (2019 count), of which roughly 30% are trucks.

How long is 85th ST SW over Creek?

The structure is 35 ft (10.6 m) long with a longest span of 16 ft (4.9 m).

Who owns 85th ST SW over Creek?

It is owned by the County Highway Agency.