US Bridges

Agnew RD over Rock Creek Trib (B147)

Good

Lancaster County, Nebraska · JCT US77/S-55E 2N 3.5E · Structure no. C005500640

Built
2019
6 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
72
2011 count
Owner
County
County Highway Agency

About this bridge

Agnew RD over Rock Creek Trib (B147) is a concrete culvert carrying Agnew RD over Rock Creek Trib (B147) in Lancaster County, Nebraska. It was built in 2019, so it is 6 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 72 vehicles a day, projected to reach 122 by 2042. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesAgnew RD
CrossesRock Creek Trib (B147)
LocationJCT US77/S-55E 2N 3.5E
RouteCounty Highway 3380
CountyLancaster County
StateNebraska
Coordinates41.016, -96.574
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.7 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 traffic72 (2011)
Projected traffic122 by 2042
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 Agnew RD over Rock Creek Trib (B147) built?

It was built in 2019, making it 6 years old in 2025.

What condition is Agnew RD over Rock Creek Trib (B147) 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 July 2023.

How much traffic does Agnew RD over Rock Creek Trib (B147) carry?

About 72 vehicles per day (2011 count).

How long is Agnew RD over Rock Creek Trib (B147)?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Agnew RD over Rock Creek Trib (B147)?

It is owned by the County Highway Agency.