US Bridges

N33 over Big Blue River

Fair

Saline County, Nebraska · 0W Crete · Structure no. S033 01026

Built
1940
85 years old, rebuilt 1978
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
304 ft
5 main spans
Daily traffic
6,280
2018 count
Owner
State
State Highway Agency

About this bridge

N33 over Big Blue River is a steel continuous stringer/multi-beam or girder carrying N33 over Big Blue River in Saline County, Nebraska. It was built in 1940 and reconstructed in 1978, so it is 85 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 6,280 vehicles a day, roughly 9% of them trucks, projected to reach 7,159 by 2038. The structure is 304 ft (92.7 m) long and 32 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesN33
CrossesBig Blue River
Location0W Crete
RouteState Highway 33
Coordinates40.6234, -96.9754
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.
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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.2 US tons
Inventory rating26.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length304 ft (92.7 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,280 (2018)
Projected traffic7,159 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemNo

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 N33 over Big Blue River built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1978.

What condition is N33 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 July 2024.

How much traffic does N33 over Big Blue River carry?

About 6,280 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is N33 over Big Blue River?

The structure is 304 ft (92.7 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns N33 over Big Blue River?

It is owned by the State Highway Agency.