US Bridges

58th ST SW over Coal Creek

FairPosted for load

Grant County, North Dakota · 13 North of New Leipzig · Structure no. 000000019106100

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
25 ft
1 main span
Daily traffic
50
2018 count
Owner
County
County Highway Agency

About this bridge

58th ST SW over Coal Creek is a concrete channel beam carrying 58th ST SW over Coal Creek in Grant County, North Dakota. It was built in 1965, so it is 60 years old, older 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 50 vehicles a day, projected to reach 40 by 2038. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Carries58th ST SW
CrossesCoal Creek
Location13 North of New Leipzig
RouteCounty Highway 1912
Coordinates46.57363, -101.97512
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.6 US tons
Inventory rating36.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2018)
Projected traffic40 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 58th ST SW over Coal Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is 58th ST SW over Coal 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 2024.

How much traffic does 58th ST SW over Coal Creek carry?

About 50 vehicles per day (2018 count).

How long is 58th ST SW over Coal Creek?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 31 ft wide.

Who owns 58th ST SW over Coal Creek?

It is owned by the County Highway Agency.