US Bridges

79th Ave. SW over Spring Creek

FairPosted for load

Dunn County, North Dakota · 1 North 1 West Dodge · Structure no. 000000013141340

Built
1951
74 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
120 ft
3 main spans
Daily traffic
75
2018 count
Owner
County
County Highway Agency

About this bridge

79th Ave. SW over Spring Creek is a steel continuous stringer/multi-beam or girder carrying 79th Ave. SW over Spring Creek in Dunn County, North Dakota. It was built in 1951, so it is 74 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 75 vehicles a day, projected to reach 75 by 2038. The structure is 120 ft (36.6 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries79th Ave. SW
CrossesSpring Creek
Location1 North 1 West Dodge
RouteCounty Highway 0
CountyDunn County
StateNorth Dakota
Coordinates47.32524, -102.22833
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.8 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length120 ft (36.6 m)
Longest span44 ft (13.4 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2018)
Projected traffic75 by 2038
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$269,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 79th Ave. SW over Spring Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is 79th Ave. SW over Spring Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does 79th Ave. SW over Spring Creek carry?

About 75 vehicles per day (2018 count).

How long is 79th Ave. SW over Spring Creek?

The structure is 120 ft (36.6 m) long with a longest span of 44 ft (13.4 m) and a deck 22 ft wide.

Who owns 79th Ave. SW over Spring Creek?

It is owned by the County Highway Agency.