US Bridges

Nd Highway 8 over Cedar Creek

Good

Adams County, North Dakota · 11 North Jct. US 12 · Structure no. 0008022723

Built
2011
14 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
185 ft
3 main spans
Daily traffic
355
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 8 over Cedar Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nd Highway 8 over Cedar Creek in Adams County, North Dakota. It was built in 2011, so it is 14 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 355 vehicles a day, roughly 18% of them trucks, projected to reach 395 by 2039. The structure is 185 ft (56.4 m) long and 38 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

Location

Open in Google Maps
CarriesNd Highway 8
CrossesCedar Creek
Location11 North Jct. US 12
RouteState Highway 8
CountyAdams County
StateNorth Dakota
Coordinates46.15526, -102.47567
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating97.2 US tons
Inventory rating51.5 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 25 or greater
Structure length185 ft (56.4 m)
Longest span62 ft (18.9 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic355 (2019)
Projected traffic395 by 2039
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$542,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Nd Highway 8 over Cedar Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Nd Highway 8 over 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 June 2023.

How much traffic does Nd Highway 8 over Cedar Creek carry?

About 355 vehicles per day (2019 count), of which roughly 18% are trucks.

How long is Nd Highway 8 over Cedar Creek?

The structure is 185 ft (56.4 m) long with a longest span of 62 ft (18.9 m) and a deck 38 ft wide.

Who owns Nd Highway 8 over Cedar Creek?

It is owned by the State Highway Agency.