US Bridges

3rd Ave SW over Antelope Creek

Fair

Mercer County, North Dakota · City of Hazen · Structure no. 000000029128180

Built
1979
46 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
270
2018 count
Owner
County
County Highway Agency

About this bridge

3rd Ave SW over Antelope Creek is a prestressed concrete tee beam carrying 3rd Ave SW over Antelope Creek in Mercer 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 5 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 270 vehicles a day, roughly 10% of them trucks, projected to reach 270 by 2038. The structure is 49 ft (14.9 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries3rd Ave SW
CrossesAntelope Creek
LocationCity of Hazen
RouteCounty Highway 2927
CountyMercer County
StateNorth Dakota
Coordinates47.30179, -101.62802
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 20
Structure length49 ft (14.9 m)
Longest span45 ft (13.7 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2018)
Projected traffic270 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 3rd Ave SW over Antelope Creek built?

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

What condition is 3rd Ave SW over Antelope 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 3rd Ave SW over Antelope Creek carry?

About 270 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is 3rd Ave SW over Antelope Creek?

The structure is 49 ft (14.9 m) long with a longest span of 45 ft (13.7 m) and a deck 48 ft wide.

Who owns 3rd Ave SW over Antelope Creek?

It is owned by the County Highway Agency.