US Bridges

76th ST SW over North Fork Cedar Creek

Good

Slope County, North Dakota · 11 South 15 East Amidon · Structure no. 000000044151210

Built
1988
37 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
50
2018 count
Owner
County
County Highway Agency

About this bridge

76th ST SW over North Fork Cedar Creek is a prestressed concrete box beam or girders - single or spread carrying 76th ST SW over North Fork Cedar Creek in Slope County, North Dakota. It was built in 1988, so it is 37 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 50 vehicles a day, projected to reach 80 by 2038. The structure is 60 ft (18.3 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Carries76th ST SW
CrossesNorth Fork Cedar Creek
Location11 South 15 East Amidon
RouteCounty Highway 4422
Coordinates46.32408, -102.99993
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating56.5 US tons
Inventory rating29.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span56 ft (17.1 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2018)
Projected traffic80 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 76th ST SW over North Fork Cedar Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is 76th ST SW over North Fork Cedar 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 August 2023.

How much traffic does 76th ST SW over North Fork Cedar Creek carry?

About 50 vehicles per day (2018 count).

How long is 76th ST SW over North Fork Cedar Creek?

The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17.1 m) and a deck 31 ft wide.

Who owns 76th ST SW over North Fork Cedar Creek?

It is owned by the County Highway Agency.