US Bridges

FAS 1755 over Niobrara River

Good

Brown County, Nebraska · 16NW US183 Keya Paha Cl · Structure no. C000901705P

Built
2016
9 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
186 ft
3 main spans
Daily traffic
100
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 1755 over Niobrara River is a steel stringer/multi-beam or girder carrying FAS 1755 over Niobrara River in Brown County, Nebraska. It was built in 2016, so it is 9 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, projected to reach 100 by 2033. The structure is 186 ft (56.6 m) long and 31 ft wide. If it were closed, the detour would be 472.2 mi (760 km).

CarriesFAS 1755
CrossesNiobrara River
Location16NW US183 Keya Paha Cl
RouteCounty Highway 1755
Coordinates42.7866, -100.0356
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating27.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length186 ft (56.6 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic100 (2011)
Projected traffic100 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed472.2 mi (760 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 FAS 1755 over Niobrara River built?

It was built in 2016, making it 9 years old in 2025.

What condition is FAS 1755 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 April 2024.

How much traffic does FAS 1755 over Niobrara River carry?

About 100 vehicles per day (2011 count).

How long is FAS 1755 over Niobrara River?

The structure is 186 ft (56.6 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns FAS 1755 over Niobrara River?

It is owned by the County Highway Agency.