US Bridges

RD 29 over Rocky Hollow

Good

Banner County, Nebraska · 7.5S 2.5W of Harrisburg · Structure no. C000402910

Built
1963
62 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
35
1998 count
Owner
County
County Highway Agency

About this bridge

RD 29 over Rocky Hollow is a concrete culvert carrying RD 29 over Rocky Hollow in Banner County, Nebraska. It was built in 1963, so it is 62 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 35 vehicles a day, projected to reach 59 by 2033. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 130.5 mi (210 km).

CarriesRD 29
CrossesRocky Hollow
Location7.5S 2.5W of Harrisburg
RouteCounty Highway 7107
Coordinates41.4436, -103.7933
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (1998)
Projected traffic59 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed130.5 mi (210 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 RD 29 over Rocky Hollow built?

It was built in 1963, making it 62 years old in 2025.

What condition is RD 29 over Rocky Hollow 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 November 2024.

How much traffic does RD 29 over Rocky Hollow carry?

About 35 vehicles per day (1998 count).

How long is RD 29 over Rocky Hollow?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns RD 29 over Rocky Hollow?

It is owned by the County Highway Agency.