US Bridges

503rd Ave over Ponca Creek Trib

Fair

Boyd County, Nebraska · Sjct US281/N12 2.9S 10.3E · Structure no. C000808303

Built
1935
90 years old, rebuilt 2012
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
165
2011 count
Owner
County
County Highway Agency

About this bridge

503rd Ave over Ponca Creek Trib is a concrete culvert carrying 503rd Ave over Ponca Creek Trib in Boyd County, Nebraska. It was built in 1935 and reconstructed in 2012, so it is 90 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 165 vehicles a day, projected to reach 204 by 2033. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
Carries503rd Ave
CrossesPonca Creek Trib
LocationSjct US281/N12 2.9S 10.3E
RouteCounty Highway 2335
CountyBoyd County
StateNebraska
Coordinates42.8088, -98.4481
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (2011)
Projected traffic204 by 2033
Trucks0%
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 503rd Ave over Ponca Creek Trib built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2012.

What condition is 503rd Ave over Ponca Creek Trib in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does 503rd Ave over Ponca Creek Trib carry?

About 165 vehicles per day (2011 count).

How long is 503rd Ave over Ponca Creek Trib?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns 503rd Ave over Ponca Creek Trib?

It is owned by the County Highway Agency.