US Bridges

IRR/US75/US77 over Omaha Creek Tributary

Good

Thurston County, Nebraska · 3N Winnebago · Structure no. S075 17193

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
102 ft
3 main spans
Daily traffic
8,480
2018 count
Owner
State
State Highway Agency

About this bridge

IRR/US75/US77 over Omaha Creek Tributary is a prestressed concrete tee beam carrying IRR/US75/US77 over Omaha Creek Tributary in Thurston County, Nebraska. It was built in 1993, so it is 32 years old, younger 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 8,480 vehicles a day, roughly 12% of them trucks, projected to reach 11,872 by 2038. The structure is 102 ft (31.1 m) long and 46 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesIRR/US75/US77
CrossesOmaha Creek Tributary
Location3N Winnebago
RouteU.S. Route 75
CountyThurston County
StateNebraska
Coordinates42.2724, -96.4842
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating97 US tons
Inventory rating58.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length102 ft (31.1 m)
Longest span34 ft (10.4 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,480 (2018)
Projected traffic11,872 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR/US75/US77 over Omaha Creek Tributary built?

It was built in 1993, making it 32 years old in 2025.

What condition is IRR/US75/US77 over Omaha Creek Tributary 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 IRR/US75/US77 over Omaha Creek Tributary carry?

About 8,480 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is IRR/US75/US77 over Omaha Creek Tributary?

The structure is 102 ft (31.1 m) long with a longest span of 34 ft (10.4 m) and a deck 46 ft wide.

Who owns IRR/US75/US77 over Omaha Creek Tributary?

It is owned by the State Highway Agency.