US Bridges

908th RD over Ponca Creek Trib

Good

Boyd County, Nebraska · 1.5N 4.5E of Naper · Structure no. C000810415

Built
2014
11 years old
Condition
Good
inspected September 2022
Type
Culvert
Steel
Length
31 ft
3 main spans
Daily traffic
20
2003 count
Owner
County
County Highway Agency

About this bridge

908th RD over Ponca Creek Trib is a steel culvert carrying 908th RD over Ponca Creek Trib 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 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 20 vehicles a day, projected to reach 34 by 2033. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 80.8 mi (130 km).

Location

Open in Google Maps
Carries908th RD
CrossesPonca Creek Trib
Location1.5N 4.5E of Naper
RouteCounty Highway 104
CountyBoyd County
StateNebraska
Coordinates42.9877, -99.0064
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.3 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span7 ft (2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2003)
Projected traffic34 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.8 mi (130 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 908th RD over Ponca Creek Trib built?

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

What condition is 908th RD over Ponca 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 September 2022.

How much traffic does 908th RD over Ponca Creek Trib carry?

About 20 vehicles per day (2003 count).

How long is 908th RD over Ponca Creek Trib?

The structure is 31 ft (9.4 m) long with a longest span of 7 ft (2 m).

Who owns 908th RD over Ponca Creek Trib?

It is owned by the County Highway Agency.