US Bridges

Rt Dd E over Mason Spr Br

Fair

Newton County, Missouri · S 27 T 24 N R 34 W · Structure no. 33661

Built
2011
14 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
289
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Dd E over Mason Spr Br is a prestressed concrete box beam or girders - multiple carrying Rt Dd E over Mason Spr Br in Newton County, Missouri. It was built in 2011, so it is 14 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 6 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 289 vehicles a day, roughly 15% of them trucks, projected to reach 477 by 2044. The structure is 92 ft (27.9 m) long and 26 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesRt Dd E
CrossesMason Spr Br
LocationS 27 T 24 N R 34 W
RouteState Highway 0DD
Coordinates36.77976, -94.57843
Functional classRural Minor Collector

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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating36.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length92 ft (27.9 m)
Longest span90 ft (27.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic289 (2024)
Projected traffic477 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt Dd E over Mason Spr Br built?

It was built in 2011, making it 14 years old in 2025.

What condition is Rt Dd E over Mason Spr Br 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 September 2023.

How much traffic does Rt Dd E over Mason Spr Br carry?

About 289 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Rt Dd E over Mason Spr Br?

The structure is 92 ft (27.9 m) long with a longest span of 90 ft (27.4 m) and a deck 26 ft wide.

Who owns Rt Dd E over Mason Spr Br?

It is owned by the State Highway Agency.