US Bridges

N11/N58 over Oak Creek

Good

Howard County, Nebraska · 2SW Dannebrog · Structure no. S011 03240

Built
1964
61 years old, rebuilt 1992
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
92 ft
1 main span
Daily traffic
975
2018 count
Owner
State
State Highway Agency

About this bridge

N11/N58 over Oak Creek is a steel stringer/multi-beam or girder carrying N11/N58 over Oak Creek in Howard County, Nebraska. It was built in 1964 and reconstructed in 1992, so it is 61 years old, older 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 975 vehicles a day, roughly 16% of them trucks, projected to reach 1,268 by 2038. The structure is 92 ft (28 m) long and 38 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesN11/N58
CrossesOak Creek
Location2SW Dannebrog
RouteState Highway 11
Coordinates41.1128, -98.5525
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 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 rating79.4 US tons
Inventory rating47.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic975 (2018)
Projected traffic1,268 by 2038
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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/N58 over Oak Creek built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1992.

What condition is N11/N58 over Oak 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 November 2024.

How much traffic does N11/N58 over Oak Creek carry?

About 975 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is N11/N58 over Oak Creek?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 38 ft wide.

Who owns N11/N58 over Oak Creek?

It is owned by the State Highway Agency.