US Bridges

Nd Highway 3 over Bnrr

Good

Pierce County, North Dakota · 11 South of Nd HWY 19 · Structure no. 0003166440

Built
1937
88 years old, rebuilt 1987
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
136 ft
3 main spans
Daily traffic
570
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 3 over Bnrr is a steel continuous stringer/multi-beam or girder carrying Nd Highway 3 over Bnrr in Pierce County, North Dakota. It was built in 1937 and reconstructed in 1987, so it is 88 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 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 570 vehicles a day, roughly 18% of them trucks, projected to reach 570 by 2039. The structure is 136 ft (41.5 m) long and 42 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

CarriesNd Highway 3
CrossesBnrr
Location11 South of Nd HWY 19
RouteState Highway 3
Coordinates47.86658, -99.94079
Functional classRural Principal Arterial - Other

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.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.7 US tons
Inventory rating44.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span51 ft (15.5 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2019)
Projected traffic570 by 2039
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed42.3 mi (68 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nd Highway 3 over Bnrr built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1987.

What condition is Nd Highway 3 over Bnrr 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 October 2024.

How much traffic does Nd Highway 3 over Bnrr carry?

About 570 vehicles per day (2019 count), of which roughly 18% are trucks.

How long is Nd Highway 3 over Bnrr?

The structure is 136 ft (41.5 m) long with a longest span of 51 ft (15.5 m) and a deck 42 ft wide.

Who owns Nd Highway 3 over Bnrr?

It is owned by the State Highway Agency.