US Bridges

SR 14 over 27th ST & Bn RY

Good

Clark County, Washington · 2.1 E JCT SR 500 · Structure no. 0009275A0000000

Built
1972
53 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
224 ft
3 main spans
Daily traffic
17,787
2023 count
Owner
State
State Highway Agency

About this bridge

SR 14 over 27th ST & Bn RY is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 14 over 27th ST & Bn RY in Clark County, Washington. It was built in 1972, so it is 53 years old, older 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 17,787 vehicles a day, roughly 10% of them trucks, projected to reach 28,789 by 2039. The structure is 224 ft (68.3 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 14
Crosses27th ST & Bn RY
Location2.1 E JCT SR 500
RouteState Highway 14
Coordinates45.57481, -122.3435
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length224 ft (68.3 m)
Longest span97 ft (29.6 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,787 (2023)
Projected traffic28,789 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 14 over 27th ST & Bn RY built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR 14 over 27th ST & Bn RY 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 May 2024.

How much traffic does SR 14 over 27th ST & Bn RY carry?

About 17,787 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 14 over 27th ST & Bn RY?

The structure is 224 ft (68.3 m) long with a longest span of 97 ft (29.6 m) and a deck 45 ft wide.

Who owns SR 14 over 27th ST & Bn RY?

It is owned by the State Highway Agency.