US Bridges

78th Ave SW over Creek

FairPosted for load

Stark County, North Dakota · 10 E 2 S of Richardton · Structure no. 000000045154111

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
1 main span
Daily traffic
20
2018 count
Owner
County
County Highway Agency

About this bridge

78th Ave SW over Creek is a wood or timber stringer/multi-beam or girder carrying 78th Ave SW over Creek in Stark County, North Dakota. It was built in 1960, so it is 65 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 20 vehicles a day, projected to reach 15 by 2038. The structure is 25 ft (7.6 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries78th Ave SW
CrossesCreek
Location10 E 2 S of Richardton
RouteCounty Highway 0
CountyStark County
StateNorth Dakota
Coordinates46.85807, -102.09698
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.4 US tons
Inventory rating16.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic15 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$182,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 78th Ave SW over Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is 78th Ave SW over 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 July 2024.

How much traffic does 78th Ave SW over Creek carry?

About 20 vehicles per day (2018 count).

How long is 78th Ave SW over Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.

Who owns 78th Ave SW over Creek?

It is owned by the County Highway Agency.