US Bridges

Rs 687 G-8 over Harris Creek

PoorPosted for load

Nemaha County, Kansas · 168th RD 0.1E of R RD · Structure no. 000000000660230

Built
1936
89 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
130
2008 count
Owner
County
County Highway Agency

About this bridge

Rs 687 G-8 over Harris Creek is a steel stringer/multi-beam or girder carrying Rs 687 G-8 over Harris Creek in Nemaha County, Kansas. It was built in 1936, so it is 89 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 130 vehicles a day, roughly 10% of them trucks, projected to reach 195 by 2044. The structure is 22 ft (6.7 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRs 687 G-8
CrossesHarris Creek
Location168th RD 0.1E of R RD
RouteCounty Highway 687
StateKansas
Coordinates39.87032, -95.91914
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.2 US tons
Inventory rating20.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic130 (2008)
Projected traffic195 by 2044
Trucks10%
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$52,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 687 G-8 over Harris Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is Rs 687 G-8 over Harris Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Rs 687 G-8 over Harris Creek carry?

About 130 vehicles per day (2008 count), of which roughly 10% are trucks.

How long is Rs 687 G-8 over Harris Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6 m) and a deck 32 ft wide.

Who owns Rs 687 G-8 over Harris Creek?

It is owned by the County Highway Agency.