US Bridges

21st RD over Logan CR Dredge Trib

Good

Thurston County, Nebraska · 4E .1S of Pender · Structure no. C008702105

Built
2018
7 years old
Condition
Good
inspected November 2022
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

21st RD over Logan CR Dredge Trib is a steel culvert carrying 21st RD over Logan CR Dredge Trib in Thurston County, Nebraska. It was built in 2018, so it is 7 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 35 vehicles a day, projected to reach 47 by 2033. The structure is 24 ft (7.3 m) long and 20 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
Carries21st RD
CrossesLogan CR Dredge Trib
Location4E .1S of Pender
RouteCounty Highway 21
CountyThurston County
StateNebraska
Coordinates42.1174, -96.6288
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.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2003)
Projected traffic47 by 2033
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 21st RD over Logan CR Dredge Trib built?

It was built in 2018, making it 7 years old in 2025.

What condition is 21st RD over Logan CR Dredge Trib 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 2022.

How much traffic does 21st RD over Logan CR Dredge Trib carry?

About 35 vehicles per day (2003 count).

How long is 21st RD over Logan CR Dredge Trib?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.

Who owns 21st RD over Logan CR Dredge Trib?

It is owned by the County Highway Agency.