US Bridges

US34 over Big Blue River

Fair

Seward County, Nebraska · Wcl Seward · Structure no. S034 29918

Built
1932
93 years old, rebuilt 1975
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
291 ft
5 main spans
Daily traffic
2,940
2018 count
Owner
State
State Highway Agency

About this bridge

US34 over Big Blue River is a steel continuous stringer/multi-beam or girder carrying US34 over Big Blue River in Seward County, Nebraska. It was built in 1932 and reconstructed in 1975, so it is 93 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 2,940 vehicles a day, roughly 14% of them trucks, projected to reach 2,940 by 2038. The structure is 291 ft (88.7 m) long and 43 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesUS34
CrossesBig Blue River
LocationWcl Seward
RouteU.S. Route 34
Coordinates40.9031, -97.1117
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.3 US tons
Inventory rating26.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length291 ft (88.7 m)
Longest span80 ft (24.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,940 (2018)
Projected traffic2,940 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US34 over Big Blue River built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1975.

What condition is US34 over Big Blue River 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 January 2025.

How much traffic does US34 over Big Blue River carry?

About 2,940 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is US34 over Big Blue River?

The structure is 291 ft (88.7 m) long with a longest span of 80 ft (24.4 m) and a deck 43 ft wide.

Who owns US34 over Big Blue River?

It is owned by the State Highway Agency.