US Bridges

County Highway over Barnum Ditch

FairPosted for load

Colfax County, Nebraska · .5E .5N Richland · Structure no. C001900703

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
20
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Barnum Ditch is a steel stringer/multi-beam or girder carrying County Highway over Barnum Ditch in Colfax County, Nebraska. It was built in 1987, so it is 38 years old, younger 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 34 by 2033. The structure is 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesCounty Highway
CrossesBarnum Ditch
Location.5E .5N Richland
RouteCounty Highway 7
CountyColfax County
StateNebraska
Coordinates41.4417, -97.195
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.3 US tons
Inventory rating20.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2003)
Projected traffic34 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Barnum Ditch built?

It was built in 1987, making it 38 years old in 2025.

What condition is County Highway over Barnum Ditch 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 September 2024.

How much traffic does County Highway over Barnum Ditch carry?

About 20 vehicles per day (2003 count).

How long is County Highway over Barnum Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns County Highway over Barnum Ditch?

It is owned by the County Highway Agency.