US Bridges

Prairie ST over Ponca Creek

Good

Boyd County, Nebraska · Bristow Prairie @ Broad · Structure no. M034006910

Built
2014
11 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
162 ft
3 main spans
Daily traffic
180
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Prairie ST over Ponca Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Prairie ST over Ponca Creek in Boyd County, Nebraska. It was built in 2014, so it is 11 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 180 vehicles a day, roughly 10% of them trucks, projected to reach 180 by 2033. The structure is 162 ft (49.4 m) long and 41 ft wide. If it were closed, the detour would be 167.8 mi (270 km).

Location

Open in Google Maps
CarriesPrairie ST
CrossesPonca Creek
LocationBristow Prairie @ Broad
RouteCity Street 2345
CountyBoyd County
StateNebraska
Coordinates42.8391, -98.5851
Functional classRural Major Collector

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.6 US tons
Inventory rating47.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length162 ft (49.4 m)
Longest span65 ft (19.8 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2013)
Projected traffic180 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed167.8 mi (270 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Prairie ST over Ponca Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Prairie ST over Ponca Creek 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 2022.

How much traffic does Prairie ST over Ponca Creek carry?

About 180 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is Prairie ST over Ponca Creek?

The structure is 162 ft (49.4 m) long with a longest span of 65 ft (19.8 m) and a deck 41 ft wide.

Who owns Prairie ST over Ponca Creek?

It is owned by the City or Municipal Highway Agency.