US Bridges

Highland Ter N over Is 64 Rp IS64W to Big B

Good

St. Louis County, Missouri · S 23 T 45 N R 6 E · Structure no. 32228

Built
2008
17 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
221 ft
2 main spans
Daily traffic
10,172
2024 count
Owner
State
State Highway Agency

About this bridge

Highland Ter N over Is 64 Rp IS64W to Big B is a prestressed concrete continuous stringer/multi-beam or girder carrying Highland Ter N over Is 64 Rp IS64W to Big B in St. Louis County, Missouri. It was built in 2008, so it is 17 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,172 vehicles a day, roughly 5% of them trucks, projected to reach 15,258 by 2044. The structure is 221 ft (67.4 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHighland Ter N
CrossesIs 64 Rp IS64W to Big B
LocationS 23 T 45 N R 6 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.62872, -90.31646
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating52.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length221 ft (67.4 m)
Longest span108 ft (32.9 m)
Deck width41 ft (12.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,172 (2024)
Projected traffic15,258 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Highland Ter N over Is 64 Rp IS64W to Big B built?

It was built in 2008, making it 17 years old in 2025.

What condition is Highland Ter N over Is 64 Rp IS64W to Big B in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Highland Ter N over Is 64 Rp IS64W to Big B carry?

About 10,172 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Highland Ter N over Is 64 Rp IS64W to Big B?

The structure is 221 ft (67.4 m) long with a longest span of 108 ft (32.9 m) and a deck 41 ft wide.

Who owns Highland Ter N over Is 64 Rp IS64W to Big B?

It is owned by the State Highway Agency.