US Bridges

122nd Ave over Shell Creek

FairPosted for load

Platte County, Nebraska · 6.2N 3.5E of Columbus · Structure no. C007105705P

Built
1935
90 years old
Condition
Fair
inspected June 2024
Type
Truss - Thru
Steel
Length
81 ft
1 main span
Daily traffic
90
1998 count
Owner
County
County Highway Agency

About this bridge

122nd Ave over Shell Creek is a steel truss - thru carrying 122nd Ave over Shell Creek in Platte County, Nebraska. It was built in 1935, 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 90 vehicles a day, projected to reach 153 by 2033. The structure is 81 ft (24.7 m) long and 20 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Carries122nd Ave
CrossesShell Creek
Location6.2N 3.5E of Columbus
RouteCounty Highway 7693
Coordinates41.5261, -97.2817
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.5 US tons
Inventory rating15.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length81 ft (24.7 m)
Longest span80 ft (24.4 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (1998)
Projected traffic153 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 122nd Ave over Shell Creek built?

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

What condition is 122nd Ave over Shell Creek 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 June 2024.

How much traffic does 122nd Ave over Shell Creek carry?

About 90 vehicles per day (1998 count).

How long is 122nd Ave over Shell Creek?

The structure is 81 ft (24.7 m) long with a longest span of 80 ft (24.4 m) and a deck 20 ft wide.

Who owns 122nd Ave over Shell Creek?

It is owned by the County Highway Agency.