US Bridges

County Highway over Buffalo Creek

Fair

McLean County, North Dakota · 1 East of Falkirk · Structure no. 000000028158340

Built
1964
61 years old
Condition
Fair
inspected April 2023
Type
Channel Beam
Concrete
Length
25 ft
1 main span
Daily traffic
80
2019 count
Owner
County
County Highway Agency

About this bridge

County Highway over Buffalo Creek is a concrete channel beam carrying County Highway over Buffalo Creek in McLean County, North Dakota. It was built in 1964, so it is 61 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 80 vehicles a day, projected to reach 75 by 2039. The structure is 25 ft (7.6 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Highway
CrossesBuffalo Creek
Location1 East of Falkirk
RouteCounty Highway 0
Coordinates47.35689, -101.05946
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width35 ft (10.7 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2019)
Projected traffic75 by 2039
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 County Highway over Buffalo Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is County Highway over Buffalo 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 April 2023.

How much traffic does County Highway over Buffalo Creek carry?

About 80 vehicles per day (2019 count).

How long is County Highway over Buffalo Creek?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 35 ft wide.

Who owns County Highway over Buffalo Creek?

It is owned by the County Highway Agency.