US Bridges

I129/US75 over BNSF/UPRR/5th

Good

Dakota County, Nebraska · Dakota AVE/I129 Intrch 1W · Structure no. S129 00123R

Built
1977
48 years old, rebuilt 2021
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
333 ft
3 main spans
Daily traffic
14,995
2018 count
Owner
State
State Highway Agency

About this bridge

I129/US75 over BNSF/UPRR/5th is a steel continuous stringer/multi-beam or girder carrying I129/US75 over BNSF/UPRR/5th in Dakota County, Nebraska. It was built in 1977 and reconstructed in 2021, so it is 48 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 333 ft (101.5 m) long and 49 ft wide.

Location

Open in Google Maps
CarriesI129/US75
CrossesBNSF/UPRR/5th
LocationDakota AVE/I129 Intrch 1W
RouteInterstate 129
CountyDakota County
StateNebraska
Coordinates42.4492, -96.4192
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.6 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length333 ft (101.5 m)
Longest span123 ft (37.5 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (14.1 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
CarriesHighway
CrossesHighway and railroad
Detour if closed—
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 BNSF/UPRR/5th built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2021.

What condition is I129/US75 over BNSF/UPRR/5th 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 BNSF/UPRR/5th carry?

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

How long is I129/US75 over BNSF/UPRR/5th?

The structure is 333 ft (101.5 m) long with a longest span of 123 ft (37.5 m) and a deck 49 ft wide.

Who owns I129/US75 over BNSF/UPRR/5th?

It is owned by the State Highway Agency.