US Bridges

N33 over Big Blue Trib

Good

Saline County, Nebraska · 1W Crete · Structure no. S033 00916

Built
1941
84 years old, rebuilt 2004
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
4,745
2018 count
Owner
State
State Highway Agency

About this bridge

N33 over Big Blue Trib is a concrete culvert carrying N33 over Big Blue Trib in Saline County, Nebraska. It was built in 1941 and reconstructed in 2004, so it is 84 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,745 vehicles a day, roughly 10% of them trucks, projected to reach 5,694 by 2038. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN33
CrossesBig Blue Trib
Location1W Crete
RouteState Highway 33
Coordinates40.6217, -96.9962
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,745 (2018)
Projected traffic5,694 by 2038
Trucks10%
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

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 Trib built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 2004.

What condition is N33 over Big Blue Trib in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does N33 over Big Blue Trib carry?

About 4,745 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N33 over Big Blue Trib?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns N33 over Big Blue Trib?

It is owned by the State Highway Agency.