US Bridges

Boland Pl S over Is 64

Fair

St. Louis County, Missouri · S 22 T 45 N R 6 E · Structure no. 32224

Built
2008
17 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
146 ft
2 main spans
Daily traffic
938
2024 count
Owner
State
State Highway Agency

About this bridge

Boland Pl S over Is 64 is a prestressed concrete continuous stringer/multi-beam or girder carrying Boland Pl S over Is 64 in St. Louis County, Missouri. It was built in 2008, so it is 17 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 938 vehicles a day, roughly 5% of them trucks, projected to reach 1,407 by 2044. The structure is 146 ft (44.5 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesBoland Pl S
CrossesIs 64
LocationS 22 T 45 N R 6 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.62956, -90.32776
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.2 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span72 ft (21.9 m)
Deck width41 ft (12.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic938 (2024)
Projected traffic1,407 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Boland Pl S over Is 64 built?

It was built in 2008, making it 17 years old in 2025.

What condition is Boland Pl S over Is 64 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 October 2024.

How much traffic does Boland Pl S over Is 64 carry?

About 938 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Boland Pl S over Is 64?

The structure is 146 ft (44.5 m) long with a longest span of 72 ft (21.9 m) and a deck 41 ft wide.

Who owns Boland Pl S over Is 64?

It is owned by the State Highway Agency.