US Bridges

Township Road over Peterson Ditch

Good

Washington County, Nebraska · 2.3S 1.8E Herman · Structure no. C008920810

Built
1970
55 years old
Condition
Good
inspected August 2023
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
20
2003 count
Owner
County
County Highway Agency

About this bridge

Township Road over Peterson Ditch is a steel culvert carrying Township Road over Peterson Ditch in Washington County, Nebraska. It was built in 1970, so it is 55 years old, older 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 20 vehicles a day, projected to reach 34 by 2033. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 62.1 mi (100 km).

CarriesTownship Road
CrossesPeterson Ditch
Location2.3S 1.8E Herman
RouteCounty Highway 208
Coordinates41.64, -96.1783
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed62.1 mi (100 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 Township Road over Peterson Ditch built?

It was built in 1970, making it 55 years old in 2025.

What condition is Township Road over Peterson Ditch 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 August 2023.

How much traffic does Township Road over Peterson Ditch carry?

About 20 vehicles per day (2003 count).

How long is Township Road over Peterson Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns Township Road over Peterson Ditch?

It is owned by the County Highway Agency.