US Bridges

N11 over Turkey Creek

Fair

Howard County, Nebraska · 3N Dannebrog · Structure no. S011 03549

Built
1962
63 years old, rebuilt 1992
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
970
2018 count
Owner
State
State Highway Agency

About this bridge

N11 over Turkey Creek is a prestressed concrete stringer/multi-beam or girder carrying N11 over Turkey Creek in Howard County, Nebraska. It was built in 1962 and reconstructed in 1992, so it is 63 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 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 970 vehicles a day, roughly 15% of them trucks, projected to reach 1,261 by 2038. The structure is 152 ft (46.3 m) long and 38 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN11
CrossesTurkey Creek
Location3N Dannebrog
RouteState Highway 11
Coordinates41.1568, -98.5572
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 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 rating70.5 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length152 ft (46.3 m)
Longest span70 ft (21.3 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2018)
Projected traffic1,261 by 2038
Trucks15%
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 N11 over Turkey Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1992.

What condition is N11 over Turkey Creek 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 November 2024.

How much traffic does N11 over Turkey Creek carry?

About 970 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is N11 over Turkey Creek?

The structure is 152 ft (46.3 m) long with a longest span of 70 ft (21.3 m) and a deck 38 ft wide.

Who owns N11 over Turkey Creek?

It is owned by the State Highway Agency.