US Bridges

Mid Lake RD over Pollack Br

Good

Sullivan County, Missouri · S 25 T 64 N R 20 W · Structure no. 36888

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

About this bridge

Mid Lake RD over Pollack Br is a prestressed concrete continuous tee beam carrying Mid Lake RD over Pollack 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 330 ft (100.6 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMid Lake RD
CrossesPollack Br
LocationS 25 T 64 N R 20 W
RouteCounty Highway 550
CountySullivan County
StateMissouri
Coordinates40.32382, -93.09755
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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating37.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length330 ft (100.6 m)
Longest span125 ft (38.1 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 closed3.1 mi (5 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 Pollack Br built?

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

What condition is Mid Lake RD over Pollack 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 December 2022.

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

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

How long is Mid Lake RD over Pollack Br?

The structure is 330 ft (100.6 m) long with a longest span of 125 ft (38.1 m) and a deck 40 ft wide.

Who owns Mid Lake RD over Pollack Br?

It is owned by the County Highway Agency.