US Bridges

County RD 548 over ALLIS0N CR

Fair

Butler County, Missouri · S 6 T 25 N R 7 E · Structure no. 23715

Built
1996
29 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
3 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 548 over ALLIS0N CR is a steel stringer/multi-beam or girder carrying County RD 548 over ALLIS0N CR in Butler County, Missouri. It was built in 1996, so it is 29 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 15 vehicles a day, roughly 15% of them trucks, projected to reach 20 by 2044. The structure is 51 ft (15.5 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty RD 548
CrossesALLIS0N CR
LocationS 6 T 25 N R 7 E
RouteCounty Highway 427
CountyButler County
StateMissouri
Coordinates36.84524, -90.33351
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating59.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length51 ft (15.5 m)
Longest span15 ft (4.7 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic20 by 2044
Trucks15%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 County RD 548 over ALLIS0N CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is County RD 548 over ALLIS0N 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 2023.

How much traffic does County RD 548 over ALLIS0N CR carry?

About 15 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is County RD 548 over ALLIS0N CR?

The structure is 51 ft (15.5 m) long with a longest span of 15 ft (4.7 m) and a deck 16 ft wide.

Who owns County RD 548 over ALLIS0N CR?

It is owned by the County Highway Agency.