US Bridges

US77 over US-6/WEST O Street

Good

Lancaster County, Nebraska · US6/US77 Intrchg · Structure no. S077 06274L

Built
1989
36 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
164 ft
3 main spans
Daily traffic
38,160
2018 count
Owner
State
State Highway Agency

About this bridge

US77 over US-6/WEST O Street is a steel continuous stringer/multi-beam or girder carrying US77 over US-6/WEST O Street in Lancaster County, Nebraska. It was built in 1989, so it is 36 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 38,160 vehicles a day, roughly 10% of them trucks, projected to reach 73,038 by 2038. The structure is 164 ft (50 m) long and 42 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesUS77
CrossesUS-6/WEST O Street
LocationUS6/US77 Intrchg
RouteU.S. Route 77
Coordinates40.8138, -96.7551
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (50 m)
Longest span95 ft (29 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,160 (2018)
Projected traffic73,038 by 2038
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US77 over US-6/WEST O Street built?

It was built in 1989, making it 36 years old in 2025.

What condition is US77 over US-6/WEST O Street 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 January 2025.

How much traffic does US77 over US-6/WEST O Street carry?

About 38,160 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is US77 over US-6/WEST O Street?

The structure is 164 ft (50 m) long with a longest span of 95 ft (29 m) and a deck 42 ft wide.

Who owns US77 over US-6/WEST O Street?

It is owned by the State Highway Agency.