US Bridges

County RD 1320 over Mid Fk-Eleven Poin

FairPosted for load

Howell County, Missouri · S 1 T 24 N R 8 W · Structure no. 24604

Built
1938
87 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
26 ft
2 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1320 over Mid Fk-Eleven Poin is a concrete slab carrying County RD 1320 over Mid Fk-Eleven Poin 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 5 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 52 by 2043. The structure is 26 ft (7.9 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty RD 1320
CrossesMid Fk-Eleven Poin
LocationS 1 T 24 N R 8 W
RouteCounty Highway 517
Coordinates36.78556, -91.78962
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.
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating9.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width16 ft (5 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic52 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$255,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 1320 over Mid Fk-Eleven Poin built?

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

What condition is County RD 1320 over Mid Fk-Eleven Poin 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 1320 over Mid Fk-Eleven Poin carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 1320 over Mid Fk-Eleven Poin?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 16 ft wide.

Who owns County RD 1320 over Mid Fk-Eleven Poin?

It is owned by the County Highway Agency.