US Bridges

County Highway over Hat Creek

PoorPosted for load

Sioux County, Nebraska · 19N 10E of Harrison · Structure no. C008300605

Built
1935
90 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
61 ft
3 main spans
Daily traffic
15
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Hat Creek is a wood or timber stringer/multi-beam or girder carrying County Highway over Hat Creek in Sioux County, Nebraska. It was built in 1935, so it is 90 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, projected to reach 25 by 2033. The structure is 61 ft (18.6 m) long and 16 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesCounty Highway
CrossesHat Creek
Location19N 10E of Harrison
RouteCounty Highway 6
CountySioux County
StateNebraska
Coordinates42.9732, -103.6886
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry8: Equal to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating9.9 US tons
Inventory rating6.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span30 ft (9.1 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2003)
Projected traffic25 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Hat Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is County Highway over Hat Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does County Highway over Hat Creek carry?

About 15 vehicles per day (2003 count).

How long is County Highway over Hat Creek?

The structure is 61 ft (18.6 m) long with a longest span of 30 ft (9.1 m) and a deck 16 ft wide.

Who owns County Highway over Hat Creek?

It is owned by the County Highway Agency.