US Bridges

Lackland RD over Vacant Ground

FairPosted for load

St. Louis County, Missouri · S 1920 T 46 N R 6 E · Structure no. 14898

Built
1996
29 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
2,550
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lackland RD over Vacant Ground is a prestressed concrete box beam or girders - multiple carrying Lackland RD over Vacant Ground in St. Louis County, Missouri. It was built in 1996, so it is 29 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,550 vehicles a day, roughly 5% of them trucks, projected to reach 3,443 by 2043. The structure is 85 ft (25.9 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLackland RD
CrossesVacant Ground
LocationS 1920 T 46 N R 6 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.70028, -90.34369
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.6 US tons
Inventory rating23.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span81 ft (24.7 m)
Deck width33 ft (10.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2023)
Projected traffic3,443 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$751,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lackland RD over Vacant Ground built?

It was built in 1996, making it 29 years old in 2025.

What condition is Lackland RD over Vacant Ground 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 December 2023.

How much traffic does Lackland RD over Vacant Ground carry?

About 2,550 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Lackland RD over Vacant Ground?

The structure is 85 ft (25.9 m) long with a longest span of 81 ft (24.7 m) and a deck 33 ft wide.

Who owns Lackland RD over Vacant Ground?

It is owned by the City or Municipal Highway Agency.