US Bridges

Irr/County Highway over Stream

Good

Thurston County, Nebraska · 2S 3.5W of Walthill · Structure no. C008702715

Built
1981
44 years old, rebuilt 2014
Condition
Good
inspected November 2024
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
40
2003 count
Owner
County
County Highway Agency

About this bridge

Irr/County Highway over Stream is a steel culvert carrying Irr/County Highway over Stream in Thurston County, Nebraska. It was built in 1981 and reconstructed in 2014, so it is 44 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, projected to reach 54 by 2033. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesIrr/County Highway
CrossesStream
Location2S 3.5W of Walthill
RouteCounty Highway 27
CountyThurston County
StateNebraska
Coordinates42.12, -96.57
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.3 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2003)
Projected traffic54 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-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 Irr/County Highway over Stream built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2014.

What condition is Irr/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 November 2024.

How much traffic does Irr/County Highway over Stream carry?

About 40 vehicles per day (2003 count).

How long is Irr/County Highway over Stream?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m).

Who owns Irr/County Highway over Stream?

It is owned by the County Highway Agency.