US Bridges

Rockafeller RD over Trib Straight Fk M

FairClosed to traffic

Morgan County, Missouri · S 18 T 43 N R 17 W · Structure no. 19964

Built
1930
95 years old, rebuilt 2022
Condition
Fair
inspected November 2022
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
25
2023 count
Owner
County
County Highway Agency

About this bridge

Rockafeller RD over Trib Straight Fk M is a concrete slab carrying Rockafeller RD over Trib Straight Fk M in Morgan County, Missouri. It was built in 1930 and reconstructed in 2022, so it is 95 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: closed to all traffic.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 45 by 2043. The structure is 24 ft (7.3 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRockafeller RD
CrossesTrib Straight Fk M
LocationS 18 T 43 N R 17 W
RouteCounty Highway 242
CountyMorgan County
StateMissouri
Coordinates38.48114, -92.84172
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.
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 2022
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width20 ft (6 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic45 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Rockafeller RD over Trib Straight Fk M built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2022.

What condition is Rockafeller RD over Trib Straight Fk M 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 2022.

How much traffic does Rockafeller RD over Trib Straight Fk M carry?

About 25 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Rockafeller RD over Trib Straight Fk M?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 20 ft wide.

Who owns Rockafeller RD over Trib Straight Fk M?

It is owned by the County Highway Agency.