US Bridges

County Road a over N Fk Rock Creek

Good

Saunders County, Nebraska · JCT US77/N63 2.3E 6S · Structure no. C007805430

Built
2014
11 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
480
2012 count
Owner
County
County Highway Agency

About this bridge

County Road a over N Fk Rock Creek is a concrete continuous slab carrying County Road a over N Fk Rock Creek in Saunders County, Nebraska. It was built in 2014, so it is 11 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 480 vehicles a day, projected to reach 480 by 2032. The structure is 110 ft (33.5 m) long and 32 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesCounty Road a
CrossesN Fk Rock Creek
LocationJCT US77/N63 2.3E 6S
RouteCounty Highway 3390
Coordinates41.0599, -96.5766
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.1 US tons
Inventory rating34.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic480 (2012)
Projected traffic480 by 2032
Trucks0%
Lanes on structure2
Traffic directionTwo-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road a over N Fk Rock Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is County Road a over N Fk Rock 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 July 2024.

How much traffic does County Road a over N Fk Rock Creek carry?

About 480 vehicles per day (2012 count).

How long is County Road a over N Fk Rock Creek?

The structure is 110 ft (33.5 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns County Road a over N Fk Rock Creek?

It is owned by the County Highway Agency.