US Bridges

County RD 250 over Bynum CR

Fair

Callaway County, Missouri · S 27 T 49 N R 9 W · Structure no. 13976

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 250 over Bynum CR is a steel stringer/multi-beam or girder carrying County RD 250 over Bynum CR in Callaway County, Missouri. It was built in 1984, so it is 41 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 30 by 2043. The structure is 38 ft (11.6 m) long and 12 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCounty RD 250
CrossesBynum CR
LocationS 27 T 49 N R 9 W
RouteCounty Highway 53
CountyCallaway County
StateMissouri
Coordinates38.99622, -91.90758
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating42.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length38 ft (11.6 m)
Longest span38 ft (11.6 m)
Deck width12 ft (3.8 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic30 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 250 over Bynum CR built?

It was built in 1984, making it 41 years old in 2025.

What condition is County RD 250 over Bynum 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 September 2024.

How much traffic does County RD 250 over Bynum CR carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 250 over Bynum CR?

The structure is 38 ft (11.6 m) long with a longest span of 38 ft (11.6 m) and a deck 12 ft wide.

Who owns County RD 250 over Bynum CR?

It is owned by the County Highway Agency.