US Bridges

Mid Lake RD over Blondfield Br

Good

Sullivan County, Missouri · S 25 T 64 N R 20 W · Structure no. 36891

Built
2022
3 years old
Condition
Good
inspected January 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
273 ft
2 main spans
Daily traffic
25
2023 count
Owner
County
County Highway Agency

About this bridge

Mid Lake RD over Blondfield Br is a prestressed concrete continuous tee beam carrying Mid Lake RD over Blondfield Br in Sullivan County, Missouri. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: new structure not yet open to traffic.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2043. The structure is 273 ft (83.2 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMid Lake RD
CrossesBlondfield Br
LocationS 25 T 64 N R 20 W
RouteCounty Highway 550
Coordinates40.32364, -93.09345
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length273 ft (83.2 m)
Longest span135 ft (41.1 m)
Deck width40 ft (12.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic28 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Mid Lake RD over Blondfield Br built?

It was built in 2022, making it 3 years old in 2025.

What condition is Mid Lake RD over Blondfield Br 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 January 2024.

How much traffic does Mid Lake RD over Blondfield Br carry?

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

How long is Mid Lake RD over Blondfield Br?

The structure is 273 ft (83.2 m) long with a longest span of 135 ft (41.1 m) and a deck 40 ft wide.

Who owns Mid Lake RD over Blondfield Br?

It is owned by the County Highway Agency.