US Bridges

Coll 7206 over Niobrara River

GoodPosted for load

Cherry County, Nebraska · 11S 9W of Merriman · Structure no. C001602105

Built
1935
90 years old, rebuilt 2022
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
2 main spans
Daily traffic
40
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7206 over Niobrara River is a steel stringer/multi-beam or girder carrying Coll 7206 over Niobrara River in Cherry County, Nebraska. It was built in 1935 and reconstructed in 2022, so it is 90 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, projected to reach 68 by 2033. The structure is 100 ft (30.5 m) long and 21 ft wide. If it were closed, the detour would be 298.3 mi (480 km).

Location

Open in Google Maps
CarriesColl 7206
CrossesNiobrara River
Location11S 9W of Merriman
RouteCounty Highway 7206
CountyCherry County
StateNebraska
Coordinates42.7603, -101.8933
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating18.7 US tons
Inventory rating11 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length100 ft (30.5 m)
Longest span50 ft (15.2 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1998)
Projected traffic68 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed298.3 mi (480 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 Coll 7206 over Niobrara River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2022.

What condition is Coll 7206 over Niobrara River 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 January 2025.

How much traffic does Coll 7206 over Niobrara River carry?

About 40 vehicles per day (1998 count).

How long is Coll 7206 over Niobrara River?

The structure is 100 ft (30.5 m) long with a longest span of 50 ft (15.2 m) and a deck 21 ft wide.

Who owns Coll 7206 over Niobrara River?

It is owned by the County Highway Agency.