US Bridges

CO RD NW 700 over Br of Walnut CR

FairPosted for load

Johnson County, Missouri · S 15 T 47 N R 26 W · Structure no. 15872

Built
1900
125 years old, rebuilt 1983
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
143
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD NW 700 over Br of Walnut CR is a steel stringer/multi-beam or girder carrying CO RD NW 700 over Br of Walnut CR in Johnson County, Missouri. It was built in 1900 and reconstructed in 1983, so it is 125 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 143 vehicles a day, roughly 10% of them trucks, projected to reach 229 by 2043. The structure is 30 ft (9.1 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCO RD NW 700
CrossesBr of Walnut CR
LocationS 15 T 47 N R 26 W
RouteCounty Highway 102
CountyJohnson County
StateMissouri
Coordinates38.8646, -93.76386
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic143 (2023)
Projected traffic229 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 CO RD NW 700 over Br of Walnut CR built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1983.

What condition is CO RD NW 700 over Br of Walnut CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does CO RD NW 700 over Br of Walnut CR carry?

About 143 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is CO RD NW 700 over Br of Walnut CR?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 20 ft wide.

Who owns CO RD NW 700 over Br of Walnut CR?

It is owned by the County Highway Agency.