US Bridges

839th RD over Dry Creek Trib

Fair

Madison County, Nebraska · JCT US275/N45 4.2S 1.7E · Structure no. C005901603

Built
1968
57 years old, rebuilt 2005
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
145
2011 count
Owner
County
County Highway Agency

About this bridge

839th RD over Dry Creek Trib is a steel stringer/multi-beam or girder carrying 839th RD over Dry Creek Trib in Madison County, Nebraska. It was built in 1968 and reconstructed in 2005, so it is 57 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 5 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 145 vehicles a day, projected to reach 145 by 2031. The structure is 23 ft (7 m) long and 25 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Carries839th RD
CrossesDry Creek Trib
LocationJCT US275/N45 4.2S 1.7E
RouteCounty Highway 2820
Coordinates41.9888, -97.8019
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.4 US tons
Inventory rating47.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (2011)
Projected traffic145 by 2031
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 839th RD over Dry Creek Trib built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2005.

What condition is 839th RD over Dry Creek Trib 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 August 2023.

How much traffic does 839th RD over Dry Creek Trib carry?

About 145 vehicles per day (2011 count).

How long is 839th RD over Dry Creek Trib?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns 839th RD over Dry Creek Trib?

It is owned by the County Highway Agency.