US Bridges

Road 729 over Spring Creek Trib

Good

Frontier County, Nebraska · Red Willow Reservoir · Structure no. C003204603P

Built
2018
7 years old
Condition
Good
inspected October 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
183 ft
3 main spans
Daily traffic
60
2011 count
Owner
County
County Highway Agency

About this bridge

Road 729 over Spring Creek Trib is a prestressed concrete continuous stringer/multi-beam or girder carrying Road 729 over Spring Creek Trib in Frontier County, Nebraska. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, roughly 10% of them trucks, projected to reach 170 by 2033. The structure is 183 ft (55.8 m) long and 30 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesRoad 729
CrossesSpring Creek Trib
LocationRed Willow Reservoir
RouteCounty Highway 0P46
Coordinates40.3894, -100.6725
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.3 US tons
Inventory rating44.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length183 ft (55.8 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2011)
Projected traffic170 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 729 over Spring Creek Trib built?

It was built in 2018, making it 7 years old in 2025.

What condition is Road 729 over Spring Creek Trib 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 2021.

How much traffic does Road 729 over Spring Creek Trib carry?

About 60 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is Road 729 over Spring Creek Trib?

The structure is 183 ft (55.8 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns Road 729 over Spring Creek Trib?

It is owned by the County Highway Agency.