US Bridges

County Road 447 over Mud Creek

Good

Dawson County, Nebraska · 3.5E 2S Overton · Structure no. C002407905

Built
1997
28 years old
Condition
Good
inspected October 2023
Type
Culvert
Steel
Length
27 ft
2 main spans
Daily traffic
10
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 447 over Mud Creek is a steel culvert carrying County Road 447 over Mud Creek in Dawson County, Nebraska. It was built in 1997, so it is 28 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2033. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesCounty Road 447
CrossesMud Creek
Location3.5E 2S Overton
RouteCounty Highway 79
Coordinates40.71, -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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.9 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2003)
Projected traffic17 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 447 over Mud Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is County Road 447 over Mud 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 Mud Creek carry?

About 10 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is County Road 447 over Mud Creek?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns County Road 447 over Mud Creek?

It is owned by the County Highway Agency.