FAS 1455 over Blackwood Creek

FairPosted for load

Perkins County, Nebraska · Ejct N23/N61 20E 4S · Structure no. C006808115

Built: 1940; 85 years old
Condition: Fair; inspected November 2023
Type: Slab; Concrete Continuous
Length: 60 ft; 3 main spans
Daily traffic: 265; 2021 count
Owner: County; County Highway Agency

About this bridge

FAS 1455 over Blackwood Creek is a concrete continuous slab carrying FAS 1455 over Blackwood Creek in Perkins County, Nebraska. It was built in 1940, so it is 85 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. Its operating status is: posted for load restriction.

It carries about 265 vehicles a day, projected to reach 275 by 2038. The structure is 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

Location

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CarriesFAS 1455

CrossesBlackwood Creek

LocationEjct N23/N61 20E 4S

RouteCounty Highway 1455

CountyPerkins County

StateNebraska

Coordinates40.7857, -101.2837

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.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionNovember 2023

Inspection intervalevery 24 months

Operating statusPosted for load restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation4: Meets minimum tolerable limits to be left in place as is

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating29.8 US tons

Inventory rating17.6 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadH 15

Structure length60 ft (18.3 m)

Longest span23 ft (7 m)

Deck width30 ft (9 m)

Roadway width25 ft (7.7 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2021)

Projected traffic275 by 2038

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed62.1 mi (100 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 FAS 1455 over Blackwood Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is FAS 1455 over Blackwood Creek 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 November 2023.

How much traffic does FAS 1455 over Blackwood Creek carry?

About 265 vehicles per day (2021 count).

How long is FAS 1455 over Blackwood Creek?

The structure is 60 ft (18.3 m) long with a longest span of 23 ft (7 m) and a deck 30 ft wide.

Who owns FAS 1455 over Blackwood Creek?

It is owned by the County Highway Agency.