US Bridges

9th St. SW over Creek

Good

Mercer County, North Dakota · 3 West of Golden Valley · Structure no. 000000029104191

Built
1940
85 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
5
2018 count
Owner
County
County Highway Agency

About this bridge

9th St. SW over Creek is a concrete slab carrying 9th St. SW over Creek in Mercer County, North Dakota. It was built in 1940, so it is 85 years old, older 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 5 vehicles a day, projected to reach 5 by 2038. The structure is 22 ft (6.7 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries9th St. SW
CrossesCreek
Location3 West of Golden Valley
RouteCounty Highway 0
Coordinates47.28501, -102.12898
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating63.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2018)
Projected traffic5 by 2038
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

OwnerCounty Highway Agency
Maintained byCounty 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 9th St. SW over Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is 9th 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 November 2023.

How much traffic does 9th St. SW over Creek carry?

About 5 vehicles per day (2018 count).

How long is 9th St. SW over Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns 9th St. SW over Creek?

It is owned by the County Highway Agency.