US Bridges

525th Ave over Blacksnake Creek

FairPosted for load

Antelope County, Nebraska · 3.5E of Elgin · Structure no. C000213105

Built
1935
90 years old
Condition
Fair
inspected August 2023
Type
Truss - Thru
Steel
Length
62 ft
1 main span
Daily traffic
20
2003 count
Owner
County
County Highway Agency

About this bridge

525th Ave over Blacksnake Creek is a steel truss - thru carrying 525th Ave over Blacksnake Creek in Antelope County, Nebraska. It was built in 1935, so it is 90 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 34 by 2042. The structure is 62 ft (18.9 m) long and 15 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
Carries525th Ave
CrossesBlacksnake Creek
Location3.5E of Elgin
RouteCounty Highway 131
CountyAntelope County
StateNebraska
Coordinates41.9961, -98.0083
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating14.3 US tons
Inventory rating7.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width15 ft (4.6 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2003)
Projected traffic34 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 525th Ave over Blacksnake Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is 525th Ave over Blacksnake 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 August 2023.

How much traffic does 525th Ave over Blacksnake Creek carry?

About 20 vehicles per day (2003 count).

How long is 525th Ave over Blacksnake Creek?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 15 ft wide.

Who owns 525th Ave over Blacksnake Creek?

It is owned by the County Highway Agency.