US Bridges

Morningside Drive over Scatter Creek

Good

Thurston County, Washington · .2 W JCT SR 507 · Structure no. 086190000000000

Built
1995
30 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
26
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Morningside Drive over Scatter Creek is a prestressed concrete slab carrying Morningside Drive over Scatter Creek in Thurston County, Washington. It was built in 1995, so it is 30 years old, younger than the Washington average of 49.8 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 26 vehicles a day, roughly 15% of them trucks, projected to reach 39 by 2043. The structure is 34 ft (10.5 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMorningside Drive
CrossesScatter Creek
Location.2 W JCT SR 507
RouteCity Street 13435
Coordinates46.85644, -122.86201
Functional classRural 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating68 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span34 ft (10.4 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2021)
Projected traffic39 by 2043
Trucks15%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of relocation of road
Estimated improvement cost$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Morningside Drive over Scatter Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Morningside Drive over Scatter Creek 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 August 2024.

How much traffic does Morningside Drive over Scatter Creek carry?

About 26 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Morningside Drive over Scatter Creek?

The structure is 34 ft (10.5 m) long with a longest span of 34 ft (10.4 m) and a deck 16 ft wide.

Who owns Morningside Drive over Scatter Creek?

It is owned by the City or Municipal Highway Agency.