US Bridges

Irr/County Highway over Stream

Good

Thurston County, Nebraska · 1.5S 4W of Emerson · Structure no. C008700605

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
60
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 2010, so it is 15 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 60 vehicles a day, projected to reach 102 by 2033. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesIrr/County Highway
CrossesStream
Location1.5S 4W of Emerson
RouteCounty Highway 6
Coordinates42.2497, -96.8058
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to 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 spans2
Design loadUnknown
Structure length22 ft (6.7 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 traffic60 (2003)
Projected traffic102 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Irr/County Highway over Stream built?

It was built in 2010, making it 15 years old in 2025.

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 October 2023.

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

About 60 vehicles per day (2003 count).

How long is Irr/County Highway over Stream?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Irr/County Highway over Stream?

It is owned by the County Highway Agency.