US Bridges

County Highway over Manns Branch

Good

Johnson County, Nebraska · 3S 1E of Cook · Structure no. C004913510

Built
2000
25 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
30
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Manns Branch is a concrete culvert carrying County Highway over Manns Branch in Johnson County, Nebraska. It was built in 2000, so it is 25 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 30 vehicles a day, projected to reach 40 by 2033. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesCounty Highway
CrossesManns Branch
Location3S 1E of Cook
RouteCounty Highway 135
CountyJohnson County
StateNebraska
Coordinates40.4667, -96.1417
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 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 traffic30 (2003)
Projected traffic40 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Manns Branch built?

It was built in 2000, making it 25 years old in 2025.

What condition is County Highway over Manns Branch 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 2024.

How much traffic does County Highway over Manns Branch carry?

About 30 vehicles per day (2003 count).

How long is County Highway over Manns Branch?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns County Highway over Manns Branch?

It is owned by the County Highway Agency.