US Bridges

County Road O over Trib to N Fork Wahoo Crk

FairPosted for load

Saunders County, Nebraska · Ejct N79/N92 4N .9E · Structure no. C007802615

Built
1935
90 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
69 ft
3 main spans
Daily traffic
30
2011 count
Owner
County
County Highway Agency

About this bridge

County Road O over Trib to N Fork Wahoo Crk is a wood or timber stringer/multi-beam or girder carrying County Road O over Trib to N Fork Wahoo Crk in Saunders 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 30 vehicles a day, projected to reach 60 by 2033. The structure is 69 ft (21 m) long and 19 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesCounty Road O
CrossesTrib to N Fork Wahoo Crk
LocationEjct N79/N92 4N .9E
RouteCounty Highway 3420
Coordinates41.2637, -96.7973
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating12.1 US tons
Inventory rating5.5 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2011)
Projected traffic60 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 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 O over Trib to N Fork Wahoo Crk built?

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

What condition is County Road O over Trib to N Fork Wahoo Crk 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 County Road O over Trib to N Fork Wahoo Crk carry?

About 30 vehicles per day (2011 count).

How long is County Road O over Trib to N Fork Wahoo Crk?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 19 ft wide.

Who owns County Road O over Trib to N Fork Wahoo Crk?

It is owned by the County Highway Agency.