US Bridges

Rs 687 F-19 over Nemaha River

GoodPosted for load

Nemaha County, Kansas · 1.0N of Seneca · Structure no. 000000000660210

Built
2009
16 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
186 ft
3 main spans
Daily traffic
53
2008 count
Owner
County
County Highway Agency

About this bridge

Rs 687 F-19 over Nemaha River is a concrete continuous slab carrying Rs 687 F-19 over Nemaha River in Nemaha County, Kansas. It was built in 2009, so it is 16 years old, younger than the Kansas average of 52.8 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. Its operating status is: posted for load restriction.

It carries about 53 vehicles a day, projected to reach 75 by 2044. The structure is 186 ft (56.7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRs 687 F-19
CrossesNemaha River
Location1.0N of Seneca
RouteCounty Highway 687
StateKansas
Coordinates39.85605, -96.05119
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.1 US tons
Inventory rating48.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length186 ft (56.7 m)
Longest span72 ft (21.9 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic53 (2008)
Projected traffic75 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$393,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 687 F-19 over Nemaha River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Rs 687 F-19 over Nemaha River 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 March 2024.

How much traffic does Rs 687 F-19 over Nemaha River carry?

About 53 vehicles per day (2008 count).

How long is Rs 687 F-19 over Nemaha River?

The structure is 186 ft (56.7 m) long with a longest span of 72 ft (21.9 m) and a deck 30 ft wide.

Who owns Rs 687 F-19 over Nemaha River?

It is owned by the County Highway Agency.