US Bridges

FAS 1550 over Phelps County Canal

Fair

Gosper County, Nebraska · JCT US283/N23 6.5N 10.5E · Structure no. C003720405

Built
1977
48 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
111 ft
4 main spans
Daily traffic
170
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 1550 over Phelps County Canal is a steel stringer/multi-beam or girder carrying FAS 1550 over Phelps County Canal in Gosper County, Nebraska. It was built in 1977, so it is 48 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 170 vehicles a day, projected to reach 135 by 2033. The structure is 111 ft (33.8 m) long and 29 ft wide. If it were closed, the detour would be 80.8 mi (130 km).

Location

Open in Google Maps
CarriesFAS 1550
CrossesPhelps County Canal
LocationJCT US283/N23 6.5N 10.5E
RouteCounty Highway 1550
CountyGosper County
StateNebraska
Coordinates40.6844, -99.6664
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.4 US tons
Inventory rating28.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length111 ft (33.8 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2011)
Projected traffic135 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.8 mi (130 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 FAS 1550 over Phelps County Canal built?

It was built in 1977, making it 48 years old in 2025.

What condition is FAS 1550 over Phelps County Canal 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 FAS 1550 over Phelps County Canal carry?

About 170 vehicles per day (2011 count).

How long is FAS 1550 over Phelps County Canal?

The structure is 111 ft (33.8 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns FAS 1550 over Phelps County Canal?

It is owned by the County Highway Agency.