US Bridges

County Highway over Stream

Poor

Otoe County, Nebraska · 1.7S 4.2W Unadilla · Structure no. C006612015

Built
1935
90 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
15
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Stream is a steel stringer/multi-beam or girder carrying County Highway over Stream in Otoe 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: open, temporary structure in place while original is closed.

It carries about 15 vehicles a day, projected to reach 20 by 2033. The structure is 32 ft (9.8 m) long and 16 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesCounty Highway
CrossesStream
Location1.7S 4.2W Unadilla
RouteCounty Highway 120
CountyOtoe County
StateNebraska
Coordinates40.6533, -96.3517
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, temporary structure in place while original is closed
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2003)
Projected traffic20 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Stream built?

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

What condition is County Highway over Stream 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 2024.

How much traffic does County Highway over Stream carry?

About 15 vehicles per day (2003 count).

How long is County Highway over Stream?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 16 ft wide.

Who owns County Highway over Stream?

It is owned by the County Highway Agency.