US Bridges

530th Ave over Saint Clair Creek

FairPosted for load

Antelope County, Nebraska · 2.3S 3E of Oakdale · Structure no. C000204105

Built
1935
90 years old
Condition
Fair
inspected August 2023
Type
Truss - Thru
Steel
Length
41 ft
1 main span
Daily traffic
5
2003 count
Owner
County
County Highway Agency

About this bridge

530th Ave over Saint Clair Creek is a steel truss - thru carrying 530th Ave over Saint Clair 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 5 vehicles a day, projected to reach 8 by 2042. The structure is 41 ft (12.5 m) long and 16 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
Carries530th Ave
CrossesSaint Clair Creek
Location2.3S 3E of Oakdale
RouteCounty Highway 41
CountyAntelope County
StateNebraska
Coordinates42.0292, -97.9118
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.5 US tons
Inventory rating9.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2003)
Projected traffic8 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 530th Ave over Saint Clair Creek built?

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

What condition is 530th Ave over Saint Clair 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 530th Ave over Saint Clair Creek carry?

About 5 vehicles per day (2003 count).

How long is 530th Ave over Saint Clair Creek?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 16 ft wide.

Who owns 530th Ave over Saint Clair Creek?

It is owned by the County Highway Agency.