US Bridges

County Highway over Stream

Good

Otoe County, Nebraska · 3S Unadilla · Structure no. C006612110

Built
2023
2 years old
Condition
Good
inspected October 2024
Type
Culvert
Steel
Length
38 ft
3 main spans
Daily traffic
25
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Stream is a steel culvert carrying County Highway over Stream in Otoe County, Nebraska. It was built in 2023, so it is 2 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 25 vehicles a day, projected to reach 33 by 2033. The structure is 38 ft (11.7 m) long. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesCounty Highway
CrossesStream
Location3S Unadilla
RouteCounty Highway 121
CountyOtoe County
StateNebraska
Coordinates40.63194, -96.27428
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 protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.5 US tons
Inventory rating34.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHL 93
Structure length38 ft (11.7 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2003)
Projected traffic33 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 County Highway over Stream built?

It was built in 2023, making it 2 years old in 2025.

What condition is County Highway over Stream 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 October 2024.

How much traffic does County Highway over Stream carry?

About 25 vehicles per day (2003 count).

How long is County Highway over Stream?

The structure is 38 ft (11.7 m) long with a longest span of 10 ft (3.2 m).

Who owns County Highway over Stream?

It is owned by the County Highway Agency.