US Bridges

Rt Dd E over Parsons CR

Good

Linn County, Missouri · S 30 T 60 N R 21 W · Structure no. 33208

Built
2010
15 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
58
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Dd E over Parsons CR is a prestressed concrete box beam or girders - multiple carrying Rt Dd E over Parsons CR in Linn County, Missouri. It was built in 2010, so it is 15 years old, younger 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 58 vehicles a day, roughly 13% of them trucks, projected to reach 73 by 2044. The structure is 77 ft (23.5 m) long and 26 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesRt Dd E
CrossesParsons CR
LocationS 30 T 60 N R 21 W
RouteState Highway 0DD
Coordinates39.98359, -93.28781
Functional classRural Minor Collector

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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating36.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span75 ft (22.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2024)
Projected traffic73 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Parsons CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Rt Dd E over Parsons CR 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 September 2024.

How much traffic does Rt Dd E over Parsons CR carry?

About 58 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Rt Dd E over Parsons CR?

The structure is 77 ft (23.5 m) long with a longest span of 75 ft (22.9 m) and a deck 26 ft wide.

Who owns Rt Dd E over Parsons CR?

It is owned by the State Highway Agency.