US Bridges

N50 over Muddy Creek

Good

Otoe County, Nebraska · 6S Syracuse · Structure no. S050 04571

Built
1997
28 years old
Condition
Good
inspected February 2025
Type
Tee Beam
Prestressed Concrete Continuous
Length
167 ft
3 main spans
Daily traffic
2,990
2018 count
Owner
State
State Highway Agency

About this bridge

N50 over Muddy Creek is a prestressed concrete continuous tee beam carrying N50 over Muddy Creek in Otoe County, Nebraska. It was built in 1997, so it is 28 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 2,990 vehicles a day, roughly 14% of them trucks, projected to reach 4,037 by 2038. The structure is 167 ft (50.9 m) long and 46 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN50
CrossesMuddy Creek
Location6S Syracuse
RouteState Highway 50
Coordinates40.5632, -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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating80.5 US tons
Inventory rating48.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length167 ft (50.9 m)
Longest span56 ft (17.1 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,990 (2018)
Projected traffic4,037 by 2038
Trucks14%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N50 over Muddy Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is N50 over Muddy 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 February 2025.

How much traffic does N50 over Muddy Creek carry?

About 2,990 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is N50 over Muddy Creek?

The structure is 167 ft (50.9 m) long with a longest span of 56 ft (17.1 m) and a deck 46 ft wide.

Who owns N50 over Muddy Creek?

It is owned by the State Highway Agency.