US Bridges

897th RD over Ponca Creek

Good

Boyd County, Nebraska · .2W of Monowi · Structure no. C000822615

Built
2021
4 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
162 ft
1 main span
Daily traffic
20
2011 count
Owner
County
County Highway Agency

About this bridge

897th RD over Ponca Creek is a prestressed concrete stringer/multi-beam or girder carrying 897th RD over Ponca Creek in Boyd County, Nebraska. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, projected to reach 42 by 2033. The structure is 162 ft (49.4 m) long and 33 ft wide. If it were closed, the detour would be 68.4 mi (110 km).

Location

Open in Google Maps
Carries897th RD
CrossesPonca Creek
Location.2W of Monowi
RouteCounty Highway 126
CountyBoyd County
StateNebraska
Coordinates42.828, -98.34015
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating73.9 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length162 ft (49.4 m)
Longest span160 ft (48.8 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2011)
Projected traffic42 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed68.4 mi (110 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 897th RD over Ponca Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is 897th RD 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 2024.

How much traffic does 897th RD over Ponca Creek carry?

About 20 vehicles per day (2011 count).

How long is 897th RD over Ponca Creek?

The structure is 162 ft (49.4 m) long with a longest span of 160 ft (48.8 m) and a deck 33 ft wide.

Who owns 897th RD over Ponca Creek?

It is owned by the County Highway Agency.