US Bridges

Irr/County Highway over Stream

Good

Thurston County, Nebraska · 4.2W of Winnebago · Structure no. C008731015

Built
2001
24 years old
Condition
Good
inspected October 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
25
2003 count
Owner
County
County Highway Agency

About this bridge

Irr/County Highway over Stream is a steel stringer/multi-beam or girder carrying Irr/County Highway over Stream in Thurston County, Nebraska. It was built in 2001, so it is 24 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 25 vehicles a day, projected to reach 42 by 2033. The structure is 50 ft (15.2 m) long and 29 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

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CarriesIrr/County Highway
CrossesStream
Location4.2W of Winnebago
RouteCounty Highway 310
CountyThurston County
StateNebraska
Coordinates42.22, -96.5567
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.6 US tons
Inventory rating48.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.8 m)
Deck width29 ft (8.7 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2003)
Projected traffic42 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 Irr/County Highway over Stream built?

It was built in 2001, making it 24 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 2021.

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

About 25 vehicles per day (2003 count).

How long is Irr/County Highway over Stream?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.8 m) and a deck 29 ft wide.

Who owns Irr/County Highway over Stream?

It is owned by the County Highway Agency.