US Bridges

N66 over UPRR 432-991-S

Fair

Cass County, Nebraska · 0W Plattsmouth · Structure no. S066 12487

Built
1998
27 years old
Condition
Fair
inspected March 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
194 ft
3 main spans
Daily traffic
2,745
2018 count
Owner
State
State Highway Agency

About this bridge

N66 over UPRR 432-991-S is a steel continuous stringer/multi-beam or girder carrying N66 over UPRR 432-991-S in Cass County, Nebraska. It was built in 1998, so it is 27 years old, younger 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 6 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 2,745 vehicles a day, roughly 8% of them trucks, projected to reach 3,843 by 2038. The structure is 194 ft (59.1 m) long and 48 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesN66
CrossesUPRR 432-991-S
Location0W Plattsmouth
RouteState Highway 66
CountyCass County
StateNebraska
Coordinates41.0024, -95.911
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating41.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length194 ft (59.1 m)
Longest span73 ft (22.4 m)
Deck width48 ft (14.5 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,745 (2018)
Projected traffic3,843 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N66 over UPRR 432-991-S built?

It was built in 1998, making it 27 years old in 2025.

What condition is N66 over UPRR 432-991-S 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 March 2022.

How much traffic does N66 over UPRR 432-991-S carry?

About 2,745 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is N66 over UPRR 432-991-S?

The structure is 194 ft (59.1 m) long with a longest span of 73 ft (22.4 m) and a deck 48 ft wide.

Who owns N66 over UPRR 432-991-S?

It is owned by the State Highway Agency.