US Bridges

N50 over Elk Creek

Good

Johnson County, Nebraska · 7S Tecumseh · Structure no. S050 02505

Built
2002
23 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
1 main span
Daily traffic
1,540
2018 count
Owner
State
State Highway Agency

About this bridge

N50 over Elk Creek is a steel stringer/multi-beam or girder carrying N50 over Elk Creek in Johnson County, Nebraska. It was built in 2002, so it is 23 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 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 1,540 vehicles a day, roughly 11% of them trucks, projected to reach 2,079 by 2038. The structure is 102 ft (31.1 m) long and 42 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN50
CrossesElk Creek
Location7S Tecumseh
RouteState Highway 50
Coordinates40.2657, -96.1796
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating45.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length102 ft (31.1 m)
Longest span100 ft (30.5 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,540 (2018)
Projected traffic2,079 by 2038
Trucks11%
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 N50 over Elk Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is N50 over Elk Creek 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 N50 over Elk Creek carry?

About 1,540 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is N50 over Elk Creek?

The structure is 102 ft (31.1 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

Who owns N50 over Elk Creek?

It is owned by the State Highway Agency.