US Bridges

Coll 7317 over North Loup River

Fair

Cherry County, Nebraska · Brownlee · Structure no. C0E1604905P

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
55
1998 count
Owner
County
County Highway Agency

About this bridge

Coll 7317 over North Loup River is a steel stringer/multi-beam or girder carrying Coll 7317 over North Loup River in Cherry County, Nebraska. It was built in 1968, so it is 57 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 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 55 vehicles a day, projected to reach 93 by 2033. The structure is 62 ft (18.9 m) long and 24 ft wide. If it were closed, the detour would be 99.4 mi (160 km).

Location

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CarriesColl 7317
CrossesNorth Loup River
LocationBrownlee
RouteCounty Highway 7317
CountyCherry County
StateNebraska
Coordinates42.2864, -100.6258
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.4 US tons
Inventory rating27.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span58 ft (17.7 m)
Deck width24 ft (7.2 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (1998)
Projected traffic93 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed99.4 mi (160 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 Coll 7317 over North Loup River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Coll 7317 over North Loup 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 May 2023.

How much traffic does Coll 7317 over North Loup River carry?

About 55 vehicles per day (1998 count).

How long is Coll 7317 over North Loup River?

The structure is 62 ft (18.9 m) long with a longest span of 58 ft (17.7 m) and a deck 24 ft wide.

Who owns Coll 7317 over North Loup River?

It is owned by the County Highway Agency.