US Bridges

Martin RD over Jake Branch

Fair

Miller County, Missouri · S 24 T 39 N R 14 W · Structure no. 36937

Built
2020
5 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
24 ft
4 main spans
Daily traffic
25
2023 count
Owner
County
County Highway Agency

About this bridge

Martin RD over Jake Branch is a concrete continuous slab carrying Martin RD over Jake Branch in Miller County, Missouri. It was built in 2020, so it is 5 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 43 by 2043. The structure is 24 ft (7.4 m) long and 15 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMartin RD
CrossesJake Branch
LocationS 24 T 39 N R 14 W
RouteCounty Highway 257
CountyMiller County
StateMissouri
Coordinates38.09235, -92.48864
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating29.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span5 ft (1.6 m)
Deck width15 ft (4.6 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic43 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Martin RD over Jake Branch built?

It was built in 2020, making it 5 years old in 2025.

What condition is Martin RD over Jake Branch 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 January 2025.

How much traffic does Martin RD over Jake Branch carry?

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

How long is Martin RD over Jake Branch?

The structure is 24 ft (7.4 m) long with a longest span of 5 ft (1.6 m) and a deck 15 ft wide.

Who owns Martin RD over Jake Branch?

It is owned by the County Highway Agency.