US Bridges

N370 over Missouri River

FairPosted for load

Sarpy County, Nebraska · 1E Belleview · Structure no. S370 01918

Built
1952
73 years old, rebuilt 2004
Condition
Fair
inspected April 2023
Type
Truss - Thru
Steel
Length
1,969 ft
2 main spans
Daily traffic
2,645
2012 count
Owner
Private
Private (other than railroad)

About this bridge

N370 over Missouri River is a steel truss - thru carrying N370 over Missouri River in Sarpy County, Nebraska. It was built in 1952 and reconstructed in 2004, so it is 73 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. Its operating status is: posted for load restriction.

It carries about 2,645 vehicles a day, roughly 5% of them trucks, projected to reach 3,968 by 2033. The structure is 1,969 ft (600.2 m) long and 23 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesN370
CrossesMissouri River
Location1E Belleview
RouteState Highway 5002
Coordinates41.1387, -95.8794
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.7 US tons
Inventory rating16.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+9 approach)
Design loadUnknown
Structure length1,969 ft (600.2 m)
Longest span420 ft (128 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic2,645 (2012)
Projected traffic3,968 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollToll bridge
National Highway SystemYes

Ownership and planned work

OwnerPrivate (other than railroad)
Maintained byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was N370 over Missouri River built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 2004.

What condition is N370 over Missouri 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 April 2023.

How much traffic does N370 over Missouri River carry?

About 2,645 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is N370 over Missouri River?

The structure is 1,969 ft (600.2 m) long with a longest span of 420 ft (128 m) and a deck 23 ft wide.

Who owns N370 over Missouri River?

It is owned by the Private (other than railroad).