US Bridges

12th Ave over Ervine Creek

Good

Cass County, Nebraska · 1.5E 3.2N of Union · Structure no. C001306105

Built
2021
4 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
43 ft
2 main spans
Daily traffic
20
2003 count
Owner
County
County Highway Agency

About this bridge

12th Ave over Ervine Creek is a concrete culvert carrying 12th Ave over Ervine Creek in Cass County, Nebraska. It was built in 2021, so it is 4 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, projected to reach 34 by 2033. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
Carries12th Ave
CrossesErvine Creek
Location1.5E 3.2N of Union
RouteCounty Highway 61
CountyCass County
StateNebraska
Coordinates40.8588, -95.8922
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.5 US tons
Inventory rating45.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length43 ft (13.1 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2003)
Projected traffic34 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 12th Ave over Ervine Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is 12th Ave over Ervine Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does 12th Ave over Ervine Creek carry?

About 20 vehicles per day (2003 count).

How long is 12th Ave over Ervine Creek?

The structure is 43 ft (13.1 m) long with a longest span of 21 ft (6.4 m).

Who owns 12th Ave over Ervine Creek?

It is owned by the County Highway Agency.