US Bridges

34th ST over Drainage Area

Fair

Morton County, North Dakota · 8 East 2 North of Hebron · Structure no. 000000030111040

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Channel Beam
Concrete
Length
26 ft
1 main span
Daily traffic
25
2018 count
Owner
County
County Highway Agency

About this bridge

34th ST over Drainage Area is a concrete channel beam carrying 34th ST over Drainage Area in Morton County, North Dakota. It was built in 1973, so it is 52 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.

It carries about 25 vehicles a day, projected to reach 25 by 2038. The structure is 26 ft (7.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries34th ST
CrossesDrainage Area
Location8 East 2 North of Hebron
RouteCounty Highway 0
Coordinates46.92047, -101.88348
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span23 ft (7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2018)
Projected traffic25 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 34th ST over Drainage Area built?

It was built in 1973, making it 52 years old in 2025.

What condition is 34th ST over Drainage Area 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 November 2024.

How much traffic does 34th ST over Drainage Area carry?

About 25 vehicles per day (2018 count).

How long is 34th ST over Drainage Area?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns 34th ST over Drainage Area?

It is owned by the County Highway Agency.