US Bridges

370A Ave over Blackwood Creek

PoorClosed to traffic

Hayes County, Nebraska · JCT N25/N25A 2.2S 6.3E · Structure no. C004304710

Built
1946
79 years old
Condition
Poor
inspected September 2024
Type
Slab
Concrete
Length
69 ft
3 main spans
Daily traffic
75
2011 count
Owner
County
County Highway Agency

About this bridge

370A Ave over Blackwood Creek is a concrete slab carrying 370A Ave over Blackwood Creek in Hayes County, Nebraska. It was built in 1946, so it is 79 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 75 vehicles a day, projected to reach 75 by 2033. The structure is 69 ft (21 m) long and 24 ft wide. If it were closed, the detour would be 68.4 mi (110 km).

Location

Open in Google Maps
Carries370A Ave
CrossesBlackwood Creek
LocationJCT N25/N25A 2.2S 6.3E
RouteCounty Highway 1455
CountyHayes County
StateNebraska
Coordinates40.3611, -100.9071
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length69 ft (21 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2011)
Projected traffic75 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed68.4 mi (110 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 370A Ave over Blackwood Creek built?

It was built in 1946, making it 79 years old in 2025.

What condition is 370A Ave over Blackwood Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does 370A Ave over Blackwood Creek carry?

About 75 vehicles per day (2011 count).

How long is 370A Ave over Blackwood Creek?

The structure is 69 ft (21 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns 370A Ave over Blackwood Creek?

It is owned by the County Highway Agency.