US Bridges

County RD 3730 over Mid Fk of Eleven P

FairPosted for load

Howell County, Missouri · S 34 T 25 N R 7 W · Structure no. 20329

Built
1938
87 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
50 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 3730 over Mid Fk of Eleven P is a concrete tee beam carrying County RD 3730 over Mid Fk of Eleven P in Howell County, Missouri. It was built in 1938, so it is 87 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 65 by 2043. The structure is 50 ft (15.2 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty RD 3730
CrossesMid Fk of Eleven P
LocationS 34 T 25 N R 7 W
RouteCounty Highway 256
CountyHowell County
StateMissouri
Coordinates36.7923, -91.7008
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.
Substructure7 GoodSome minor problems.
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
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.8 US tons
Inventory rating9.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length50 ft (15.2 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic65 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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$272,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 3730 over Mid Fk of Eleven P built?

It was built in 1938, making it 87 years old in 2025.

What condition is County RD 3730 over Mid Fk of Eleven P 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 County RD 3730 over Mid Fk of Eleven P carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 3730 over Mid Fk of Eleven P?

The structure is 50 ft (15.2 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns County RD 3730 over Mid Fk of Eleven P?

It is owned by the County Highway Agency.