US Bridges

Newport Ave over UP RR

Fair

St. Louis County, Missouri · S 1953 T 45 N R 6 E · Structure no. 24014

Built
1989
36 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
110 ft
3 main spans
Daily traffic
5,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Newport Ave over UP RR is a prestressed concrete box beam or girders - multiple carrying Newport Ave over UP RR in St. Louis County, Missouri. It was built in 1989, so it is 36 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.

It carries about 5,000 vehicles a day, roughly 2% of them trucks, projected to reach 6,750 by 2043. The structure is 110 ft (33.5 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNewport Ave
CrossesUP RR
LocationS 1953 T 45 N R 6 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.5994, -90.35042
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2023)
Projected traffic6,750 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Newport Ave over UP RR built?

It was built in 1989, making it 36 years old in 2025.

What condition is Newport Ave over UP RR 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 January 2024.

How much traffic does Newport Ave over UP RR carry?

About 5,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Newport Ave over UP RR?

The structure is 110 ft (33.5 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns Newport Ave over UP RR?

It is owned by the City or Municipal Highway Agency.