US Bridges

8th Ave Northeast over Cedar Creek

Fair

Adams County, North Dakota · 7 North 14 East Hettinger · Structure no. 000000001132130

Built
1979
46 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
45
2019 count
Owner
County
County Highway Agency

About this bridge

8th Ave Northeast over Cedar Creek is a prestressed concrete continuous box beam or girders - single or spread carrying 8th Ave Northeast over Cedar Creek in Adams County, North Dakota. It was built in 1979, so it is 46 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 45 vehicles a day, projected to reach 50 by 2039. The structure is 150 ft (45.7 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries8th Ave Northeast
CrossesCedar Creek
Location7 North 14 East Hettinger
RouteCounty Highway 114
Coordinates46.10424, -102.33236
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.7 US tons
Inventory rating32.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length150 ft (45.7 m)
Longest span58 ft (17.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2019)
Projected traffic50 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 8th Ave Northeast over Cedar Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is 8th Ave Northeast over Cedar 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 September 2023.

How much traffic does 8th Ave Northeast over Cedar Creek carry?

About 45 vehicles per day (2019 count).

How long is 8th Ave Northeast over Cedar Creek?

The structure is 150 ft (45.7 m) long with a longest span of 58 ft (17.7 m) and a deck 30 ft wide.

Who owns 8th Ave Northeast over Cedar Creek?

It is owned by the County Highway Agency.