US Bridges

Coll 7329 over Niobrara River

Fair

Cherry County, Nebraska · 1.5N 3.5E of Valentine · Structure no. C001611405P

Built
1970
55 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
184 ft
2 main spans
Daily traffic
155
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7329 over Niobrara River is a steel continuous stringer/multi-beam or girder carrying Coll 7329 over Niobrara River in Cherry County, Nebraska. It was built in 1970, so it is 55 years old, older 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 6 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 155 vehicles a day, projected to reach 263 by 2033. The structure is 184 ft (56.1 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesColl 7329
CrossesNiobrara River
Location1.5N 3.5E of Valentine
RouteCounty Highway 7329
CountyCherry County
StateNebraska
Coordinates42.9003, -100.4823
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length184 ft (56.1 m)
Longest span90 ft (27.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (1998)
Projected traffic263 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Coll 7329 over Niobrara River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Coll 7329 over Niobrara River 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 June 2023.

How much traffic does Coll 7329 over Niobrara River carry?

About 155 vehicles per day (1998 count).

How long is Coll 7329 over Niobrara River?

The structure is 184 ft (56.1 m) long with a longest span of 90 ft (27.4 m) and a deck 33 ft wide.

Who owns Coll 7329 over Niobrara River?

It is owned by the County Highway Agency.