US Bridges

340th Ave over Johnson Creek

PoorPosted for load

Saline County, Nebraska · 2N .5W of Friend · Structure no. C007600405

Built
1935
90 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
60 ft
3 main spans
Daily traffic
10
2003 count
Owner
County
County Highway Agency

About this bridge

340th Ave over Johnson Creek is a wood or timber stringer/multi-beam or girder carrying 340th Ave over Johnson Creek in Saline 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 14 by 2033. The structure is 60 ft (18.3 m) long and 19 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Carries340th Ave
CrossesJohnson Creek
Location2N .5W of Friend
RouteCounty Highway 4
Coordinates40.6839, -97.2974
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12.1 US tons
Inventory rating7.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span29 ft (8.8 m)
Deck width19 ft (5.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2003)
Projected traffic14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 340th Ave over Johnson Creek built?

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

What condition is 340th Ave over Johnson Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does 340th Ave over Johnson Creek carry?

About 10 vehicles per day (2003 count).

How long is 340th Ave over Johnson Creek?

The structure is 60 ft (18.3 m) long with a longest span of 29 ft (8.8 m) and a deck 19 ft wide.

Who owns 340th Ave over Johnson Creek?

It is owned by the County Highway Agency.