US Bridges

County Road 447 over Elm Creek

Good

Dawson County, Nebraska · 2.5E 6N of Overton · Structure no. C002417915

Built
1987
38 years old
Condition
Good
inspected October 2023
Type
Channel Beam
Concrete
Length
38 ft
1 main span
Daily traffic
30
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 447 over Elm Creek is a concrete channel beam carrying County Road 447 over Elm Creek in Dawson 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 51 by 2033. The structure is 38 ft (11.6 m) long and 30 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
CarriesCounty Road 447
CrossesElm Creek
Location2.5E 6N of Overton
RouteCounty Highway 179
CountyDawson County
StateNebraska
Coordinates40.825, -99.4833
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.4 US tons
Inventory rating35.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2003)
Projected traffic51 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 Road 447 over Elm Creek built?

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

What condition is County Road 447 over Elm Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does County Road 447 over Elm Creek carry?

About 30 vehicles per day (2003 count).

How long is County Road 447 over Elm Creek?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 30 ft wide.

Who owns County Road 447 over Elm Creek?

It is owned by the County Highway Agency.