US Bridges

3rd Ave over Spring Creek

Fair

Mercer County, North Dakota · In Zap · Structure no. 000000029114191

Built
1979
46 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
100 ft
2 main spans
Daily traffic
268
2022 count
Owner
County
County Highway Agency

About this bridge

3rd Ave over Spring Creek is a prestressed concrete continuous box beam or girders - single or spread carrying 3rd Ave over Spring 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 268 vehicles a day, roughly 10% of them trucks, projected to reach 361 by 2042. The structure is 100 ft (30.5 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries3rd Ave
CrossesSpring Creek
LocationIn Zap
RouteCounty Highway 0
CountyMercer County
StateNorth Dakota
Coordinates47.2858, -101.92547
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating23.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length100 ft (30.5 m)
Longest span47 ft (14.3 m)
Deck width39 ft (11.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic268 (2022)
Projected traffic361 by 2042
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 over Spring Creek built?

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

What condition is 3rd Ave over Spring 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 over Spring Creek carry?

About 268 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is 3rd Ave over Spring Creek?

The structure is 100 ft (30.5 m) long with a longest span of 47 ft (14.3 m) and a deck 39 ft wide.

Who owns 3rd Ave over Spring Creek?

It is owned by the County Highway Agency.