US Bridges

Irrft County Hiway over Creek

Fair

Nelson County, North Dakota · 4 South 1 West of Tolna · Structure no. 000000032104300

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
30
2017 count
Owner
County
County Highway Agency

About this bridge

Irrft County Hiway over Creek is a prestressed concrete tee beam carrying Irrft County Hiway over Creek in Nelson County, North Dakota. It was built in 1980, so it is 45 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 30 vehicles a day, projected to reach 30 by 2037. The structure is 26 ft (7.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIrrft County Hiway
CrossesCreek
Location4 South 1 West of Tolna
RouteCounty Highway 0
Coordinates47.75933, -98.45997
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating95.2 US tons
Inventory rating57 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2017)
Projected traffic30 by 2037
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Irrft County Hiway over Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Irrft County Hiway over 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 August 2024.

How much traffic does Irrft County Hiway over Creek carry?

About 30 vehicles per day (2017 count).

How long is Irrft County Hiway over Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.

Who owns Irrft County Hiway over Creek?

It is owned by the County Highway Agency.