US Bridges

County RD 3730 over Mid Fk of Eleven P

Good

Howell County, Missouri · S 34 T 25 N R 7 W · Structure no. 20326

Built
1938
87 years old
Condition
Good
inspected November 2024
Type
Tee Beam
Concrete
Length
41 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 65 by 2043. The structure is 41 ft (12.5 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty RD 3730
CrossesMid Fk of Eleven P
LocationS 34 T 25 N R 7 W
RouteCounty Highway 256
CountyHowell County
StateMissouri
Coordinates36.7935, -91.7009
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length41 ft (12.5 m)
Longest span20 ft (6.1 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 proposedNone recorded
Estimated improvement cost—
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 good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. 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 41 ft (12.5 m) long with a longest span of 20 ft (6.1 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.