US Bridges

Shrewsbury Ave S over Is 44 Rp IS44W to Shrew

Fair

St. Louis County, Missouri · S 34 T 45 N R 6 E · Structure no. 1430

Built
1969
56 years old, rebuilt 1984
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
243 ft
4 main spans
Daily traffic
16,095
2024 count
Owner
State
State Highway Agency

About this bridge

Shrewsbury Ave S over Is 44 Rp IS44W to Shrew is a concrete continuous box beam or girders - single or spread carrying Shrewsbury Ave S over Is 44 Rp IS44W to Shrew in St. Louis County, Missouri. It was built in 1969 and reconstructed in 1984, so it is 56 years old, older 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.

It carries about 16,095 vehicles a day, roughly 5% of them trucks, projected to reach 22,533 by 2044. The structure is 243 ft (74.1 m) long and 70 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesShrewsbury Ave S
CrossesIs 44 Rp IS44W to Shrew
LocationS 34 T 45 N R 6 E
RouteCity Street 0
Coordinates38.59495, -90.32651
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.6 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length243 ft (74.1 m)
Longest span83 ft (25.3 m)
Deck width70 ft (21.4 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,095 (2024)
Projected traffic22,533 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$2.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Shrewsbury Ave S over Is 44 Rp IS44W to Shrew built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1984.

What condition is Shrewsbury Ave S over Is 44 Rp IS44W to Shrew 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 June 2024.

How much traffic does Shrewsbury Ave S over Is 44 Rp IS44W to Shrew carry?

About 16,095 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Shrewsbury Ave S over Is 44 Rp IS44W to Shrew?

The structure is 243 ft (74.1 m) long with a longest span of 83 ft (25.3 m) and a deck 70 ft wide.

Who owns Shrewsbury Ave S over Is 44 Rp IS44W to Shrew?

It is owned by the State Highway Agency.