US Bridges

SE 4006 over Miami CR

Fair

Bates County, Missouri · S 15 T 39 N R 31 W · Structure no. 24463

Built
1993
32 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
163 ft
3 main spans
Daily traffic
15
2023 count
Owner
County
County Highway Agency

About this bridge

SE 4006 over Miami CR is a steel continuous stringer/multi-beam or girder carrying SE 4006 over Miami CR in Bates County, Missouri. It was built in 1993, so it is 32 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 5 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 20 by 2043. The structure is 163 ft (49.7 m) long and 18 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSE 4006
CrossesMiami CR
LocationS 15 T 39 N R 31 W
RouteCounty Highway 496
Coordinates38.16243, -94.32845
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating42.7 US tons
Inventory rating22.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length163 ft (49.7 m)
Longest span71 ft (21.6 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2023)
Projected traffic20 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$743,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SE 4006 over Miami CR built?

It was built in 1993, making it 32 years old in 2025.

What condition is SE 4006 over Miami 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 December 2024.

How much traffic does SE 4006 over Miami CR carry?

About 15 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SE 4006 over Miami CR?

The structure is 163 ft (49.7 m) long with a longest span of 71 ft (21.6 m) and a deck 18 ft wide.

Who owns SE 4006 over Miami CR?

It is owned by the County Highway Agency.