US Bridges

Old Halls Ferry RD over Is 270

Fair

St. Louis County, Missouri · S 31 T 47 N R 7 E · Structure no. 36365

Built
2020
5 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
152 ft
2 main spans
Daily traffic
10,798
2024 count
Owner
State
State Highway Agency

About this bridge

Old Halls Ferry RD over Is 270 is a prestressed concrete continuous tee beam carrying Old Halls Ferry RD over Is 270 in St. Louis County, Missouri. It was built in 2020, so it is 5 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 10,798 vehicles a day, roughly 5% of them trucks, projected to reach 15,117 by 2044. The structure is 152 ft (46.3 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesOld Halls Ferry RD
CrossesIs 270
LocationS 31 T 47 N R 7 E
RouteCounty Highway 0
CountySt. Louis County
StateMissouri
Coordinates38.77093, -90.26067
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.2 US tons
Inventory rating45.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length152 ft (46.3 m)
Longest span76 ft (23.2 m)
Deck width88 ft (26.7 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,798 (2024)
Projected traffic15,117 by 2044
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Old Halls Ferry RD over Is 270 built?

It was built in 2020, making it 5 years old in 2025.

What condition is Old Halls Ferry RD over Is 270 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 August 2024.

How much traffic does Old Halls Ferry RD over Is 270 carry?

About 10,798 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Old Halls Ferry RD over Is 270?

The structure is 152 ft (46.3 m) long with a longest span of 76 ft (23.2 m) and a deck 88 ft wide.

Who owns Old Halls Ferry RD over Is 270?

It is owned by the State Highway Agency.