US Bridges

Irr/County Highway over Stream

Fair

Knox County, Nebraska · 1.5N .6E Lindy · Structure no. C005431830

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
30
2022 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 Knox County, Nebraska. It was built in 1984, so it is 41 years old, younger 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.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2042. The structure is 46 ft (14 m) long and 25 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesIrr/County Highway
CrossesStream
Location1.5N .6E Lindy
RouteCounty Highway 318
CountyKnox County
StateNebraska
Coordinates42.7569, -97.7222
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87.1 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic40 by 2042
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Irr/County Highway over Stream built?

It was built in 1984, making it 41 years old in 2025.

What condition is Irr/County Highway over Stream 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 October 2024.

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

About 30 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Irr/County Highway over Stream?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 25 ft wide.

Who owns Irr/County Highway over Stream?

It is owned by the County Highway Agency.