US Bridges

FAS 3405 over Rock Creek

Fair

Saunders County, Nebraska · JCT N66/N79 .5S 7E · Structure no. C007802310

Built
1948
77 years old, rebuilt 1991
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
105 ft
3 main spans
Daily traffic
115
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 3405 over Rock Creek is a concrete continuous slab carrying FAS 3405 over Rock Creek in Saunders County, Nebraska. It was built in 1948 and reconstructed in 1991, so it is 77 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.

It carries about 115 vehicles a day, projected to reach 160 by 2033. The structure is 105 ft (32 m) long and 30 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesFAS 3405
CrossesRock Creek
LocationJCT N66/N79 .5S 7E
RouteCounty Highway 3405
Coordinates41.0672, -96.698
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.2 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length105 ft (32 m)
Longest span42 ft (12.8 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2011)
Projected traffic160 by 2033
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 3405 over Rock Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1991.

What condition is FAS 3405 over Rock 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 2024.

How much traffic does FAS 3405 over Rock Creek carry?

About 115 vehicles per day (2011 count).

How long is FAS 3405 over Rock Creek?

The structure is 105 ft (32 m) long with a longest span of 42 ft (12.8 m) and a deck 30 ft wide.

Who owns FAS 3405 over Rock Creek?

It is owned by the County Highway Agency.