US Bridges

Dogwood Road over Big Blue River

Fair

Gage County, Nebraska · 3N 1.5W of Hoag · Structure no. C003412405

Built
1967
58 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
3 main spans
Daily traffic
15
2003 count
Owner
County
County Highway Agency

About this bridge

Dogwood Road over Big Blue River is a steel continuous stringer/multi-beam or girder carrying Dogwood Road over Big Blue River in Gage County, Nebraska. It was built in 1967, so it is 58 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 15 vehicles a day, projected to reach 25 by 2033. The structure is 232 ft (70.7 m) long and 22 ft wide. If it were closed, the detour would be 99.4 mi (160 km).

Location

Open in Google Maps
CarriesDogwood Road
CrossesBig Blue River
Location3N 1.5W of Hoag
RouteCounty Highway 124
CountyGage County
StateNebraska
Coordinates40.3635, -96.8621
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating29.8 US tons
Inventory rating17.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length232 ft (70.7 m)
Longest span90 ft (27.4 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2003)
Projected traffic25 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed99.4 mi (160 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 Dogwood Road over Big Blue River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Dogwood Road over Big Blue River 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 2023.

How much traffic does Dogwood Road over Big Blue River carry?

About 15 vehicles per day (2003 count).

How long is Dogwood Road over Big Blue River?

The structure is 232 ft (70.7 m) long with a longest span of 90 ft (27.4 m) and a deck 22 ft wide.

Who owns Dogwood Road over Big Blue River?

It is owned by the County Highway Agency.