US Bridges

I129/US75 over Dakota Ave

Good

Dakota County, Nebraska · Dakota AVE/I129 Intrchg · Structure no. S129 00150L

Built
1974
51 years old, rebuilt 2021
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
179 ft
2 main spans
Daily traffic
14,995
2018 count
Owner
State
State Highway Agency

About this bridge

I129/US75 over Dakota Ave is a steel continuous stringer/multi-beam or girder carrying I129/US75 over Dakota Ave in Dakota County, Nebraska. It was built in 1974 and reconstructed in 2021, so it is 51 years old, older than the Nebraska average of 47.1 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 14,995 vehicles a day, roughly 13% of them trucks, projected to reach 17,994 by 2038. The structure is 179 ft (54.6 m) long and 42 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesI129/US75
CrossesDakota Ave
LocationDakota AVE/I129 Intrchg
RouteInterstate 129
CountyDakota County
StateNebraska
Coordinates42.4495, -96.414
Functional classUrban Principal Arterial - Interstate

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.8 US tons
Inventory rating44.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length179 ft (54.6 m)
Longest span95 ft (29 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,995 (2018)
Projected traffic17,994 by 2038
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I129/US75 over Dakota Ave built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2021.

What condition is I129/US75 over Dakota Ave 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 September 2024.

How much traffic does I129/US75 over Dakota Ave carry?

About 14,995 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is I129/US75 over Dakota Ave?

The structure is 179 ft (54.6 m) long with a longest span of 95 ft (29 m) and a deck 42 ft wide.

Who owns I129/US75 over Dakota Ave?

It is owned by the State Highway Agency.