US Bridges

SR 14 over Lawton Creek

Good

Clark County, Washington · 6.3 E JCT SR 500 · Structure no. 0000902A0000000

Built
1925
100 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete Continuous
Length
44 ft
2 main spans
Daily traffic
5,270
2023 count
Owner
State
State Highway Agency

About this bridge

SR 14 over Lawton Creek is a concrete continuous slab carrying SR 14 over Lawton Creek in Clark County, Washington. It was built in 1925, so it is 100 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 5,270 vehicles a day, roughly 9% of them trucks, projected to reach 7,824 by 2039. The structure is 44 ft (13.4 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 14
CrossesLawton Creek
Location6.3 E JCT SR 500
RouteState Highway 14
CountyClark County
StateWashington
Coordinates45.56156, -122.26678
Functional classRural Principal Arterial - Other

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length44 ft (13.4 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,270 (2023)
Projected traffic7,824 by 2039
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$669,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 14 over Lawton Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is SR 14 over Lawton 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 July 2023.

How much traffic does SR 14 over Lawton Creek carry?

About 5,270 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 14 over Lawton Creek?

The structure is 44 ft (13.4 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns SR 14 over Lawton Creek?

It is owned by the State Highway Agency.