US Bridges

Gist RD E over Is 270

Fair

St. Louis County, Missouri · S 130 T 46 N R 5 E · Structure no. 3515

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
384 ft
4 main spans
Daily traffic
687
2024 count
Owner
State
State Highway Agency

About this bridge

Gist RD E over Is 270 is a steel continuous stringer/multi-beam or girder carrying Gist RD E over Is 270 in St. Louis County, Missouri. It was built in 1988, so it is 37 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 687 vehicles a day, roughly 5% of them trucks, projected to reach 1,031 by 2044. The structure is 384 ft (117 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGist RD E
CrossesIs 270
LocationS 130 T 46 N R 5 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.76762, -90.41179
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating88.3 US tons
Inventory rating52.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length384 ft (117 m)
Longest span121 ft (36.8 m)
Deck width43 ft (13 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic687 (2024)
Projected traffic1,031 by 2044
Trucks5%
Lanes on structure2
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gist RD E over Is 270 built?

It was built in 1988, making it 37 years old in 2025.

What condition is Gist RD E 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 Gist RD E over Is 270 carry?

About 687 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Gist RD E over Is 270?

The structure is 384 ft (117 m) long with a longest span of 121 ft (36.8 m) and a deck 43 ft wide.

Who owns Gist RD E over Is 270?

It is owned by the State Highway Agency.