US Bridges

CO RD NE 1000 over Br of Flagstaff CR

Fair

Johnson County, Missouri · S 5 T 47 N R 26 W · Structure no. 28143

Built
1997
28 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
20 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

CO RD NE 1000 over Br of Flagstaff CR is a steel stringer/multi-beam or girder carrying CO RD NE 1000 over Br of Flagstaff CR in Johnson County, Missouri. It was built in 1997, so it is 28 years old, younger 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.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2043. The structure is 20 ft (6.1 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCO RD NE 1000
CrossesBr of Flagstaff CR
LocationS 5 T 47 N R 26 W
RouteCounty Highway 136
CountyJohnson County
StateMissouri
Coordinates38.90478, -93.69085
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic48 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 NE 1000 over Br of Flagstaff CR built?

It was built in 1997, making it 28 years old in 2025.

What condition is CO RD NE 1000 over Br of Flagstaff 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 NE 1000 over Br of Flagstaff CR carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is CO RD NE 1000 over Br of Flagstaff CR?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns CO RD NE 1000 over Br of Flagstaff CR?

It is owned by the County Highway Agency.