US Bridges

98th Ave SW over Deep Creek

Good

Dunn County, North Dakota · 3 South 11 West Marshall · Structure no. 000000013125500

Built
1986
39 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
45
2018 count
Owner
County
County Highway Agency

About this bridge

98th Ave SW over Deep Creek is a prestressed concrete box beam or girders - single or spread carrying 98th Ave SW over Deep Creek in Dunn County, North Dakota. It was built in 1986, so it is 39 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 45 vehicles a day, projected to reach 40 by 2038. The structure is 86 ft (26.2 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries98th Ave SW
CrossesDeep Creek
Location3 South 11 West Marshall
RouteCounty Highway 1352
Coordinates47.08961, -102.56779
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.4 US tons
Inventory rating26.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span82 ft (25 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2018)
Projected traffic40 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 98th Ave SW over Deep Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is 98th Ave SW over Deep 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 98th Ave SW over Deep Creek carry?

About 45 vehicles per day (2018 count).

How long is 98th Ave SW over Deep Creek?

The structure is 86 ft (26.2 m) long with a longest span of 82 ft (25 m) and a deck 33 ft wide.

Who owns 98th Ave SW over Deep Creek?

It is owned by the County Highway Agency.