US Bridges

Nd Highway 11 over I-29/ND HWY 11 Interchng

Fair

Richland County, North Dakota · Junction of HWY 11 · Structure no. 0029008073

Built
1974
51 years old, rebuilt 2016
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
235 ft
2 main spans
Daily traffic
880
2019 count
Owner
State
State Highway Agency

About this bridge

Nd Highway 11 over I-29/ND HWY 11 Interchng is a steel continuous stringer/multi-beam or girder carrying Nd Highway 11 over I-29/ND HWY 11 Interchng in Richland County, North Dakota. It was built in 1974 and reconstructed in 2016, so it is 51 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 880 vehicles a day, roughly 22% of them trucks, projected to reach 985 by 2039. The structure is 235 ft (71.6 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesNd Highway 11
CrossesI-29/ND HWY 11 Interchng
LocationJunction of HWY 11
RouteState Highway 11
CountyRichland County
StateNorth Dakota
Coordinates46.05162, -96.83553
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.4 US tons
Inventory rating41.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length235 ft (71.6 m)
Longest span117 ft (35.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (2019)
Projected traffic985 by 2039
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nd Highway 11 over I-29/ND HWY 11 Interchng built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2016.

What condition is Nd Highway 11 over I-29/ND HWY 11 Interchng 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 May 2024.

How much traffic does Nd Highway 11 over I-29/ND HWY 11 Interchng carry?

About 880 vehicles per day (2019 count), of which roughly 22% are trucks.

How long is Nd Highway 11 over I-29/ND HWY 11 Interchng?

The structure is 235 ft (71.6 m) long with a longest span of 117 ft (35.8 m) and a deck 43 ft wide.

Who owns Nd Highway 11 over I-29/ND HWY 11 Interchng?

It is owned by the State Highway Agency.