US Bridges

66th Street SE over Apple Creek

Good

Burleigh County, North Dakota · 3 East of Bismarck · Structure no. 000000008113380

Built
1987
38 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
850
2019 count
Owner
County
County Highway Agency

About this bridge

66th Street SE over Apple Creek is a prestressed concrete box beam or girders - multiple carrying 66th Street SE over Apple Creek in Burleigh County, North Dakota. It was built in 1987, so it is 38 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 850 vehicles a day, roughly 10% of them trucks, projected to reach 1,000 by 2039. The structure is 75 ft (22.9 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries66th Street SE
CrossesApple Creek
Location3 East of Bismarck
RouteCounty Highway 813
Coordinates46.79253, -100.6892
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating30.9 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span71 ft (21.6 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2019)
Projected traffic1,000 by 2039
Trucks10%
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 66th Street SE over Apple Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is 66th Street SE over Apple Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does 66th Street SE over Apple Creek carry?

About 850 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is 66th Street SE over Apple Creek?

The structure is 75 ft (22.9 m) long with a longest span of 71 ft (21.6 m) and a deck 33 ft wide.

Who owns 66th Street SE over Apple Creek?

It is owned by the County Highway Agency.