US Bridges

28 1/2th Avenue over Dog Tooth Creek

FairPosted for load

Morton County, North Dakota · 6 South 11 East Flasher · Structure no. 000000030152430

Built
1997
28 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
3 main spans
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

28 1/2th Avenue over Dog Tooth Creek is a steel stringer/multi-beam or girder carrying 28 1/2th Avenue over Dog Tooth Creek in Morton County, North Dakota. It was built in 1997, so it is 28 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 10 by 2039. The structure is 110 ft (33.5 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
Carries28 1/2th Avenue
CrossesDog Tooth Creek
Location6 South 11 East Flasher
RouteCounty Highway 0
CountyMorton County
StateNorth Dakota
Coordinates46.36611, -101.01391
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.2 US tons
Inventory rating14.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans3
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span47 ft (14.3 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic10 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 28 1/2th Avenue over Dog Tooth Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is 28 1/2th Avenue over Dog Tooth 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 May 2024.

How much traffic does 28 1/2th Avenue over Dog Tooth Creek carry?

About 20 vehicles per day (2019 count).

How long is 28 1/2th Avenue over Dog Tooth Creek?

The structure is 110 ft (33.5 m) long with a longest span of 47 ft (14.3 m) and a deck 20 ft wide.

Who owns 28 1/2th Avenue over Dog Tooth Creek?

It is owned by the County Highway Agency.