US Bridges

SR 221 over East Branch Glade Creek

Good

Benton County, Washington · 9.7 N JCT SR 14 · Structure no. 002000530000000

Built
1970
55 years old
Condition
Good
inspected July 2022
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
2,187
2023 count
Owner
State
State Highway Agency

About this bridge

SR 221 over East Branch Glade Creek is a steel culvert carrying SR 221 over East Branch Glade Creek in Benton County, Washington. It was built in 1970, so it is 55 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 2,187 vehicles a day, roughly 36% of them trucks, projected to reach 3,054 by 2039. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesSR 221
CrossesEast Branch Glade Creek
Location9.7 N JCT SR 14
RouteState Highway 221
CountyBenton County
StateWashington
Coordinates46.07749, -119.60209
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,187 (2023)
Projected traffic3,054 by 2039
Trucks36%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$499,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 221 over East Branch Glade Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is SR 221 over East Branch Glade 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 2022.

How much traffic does SR 221 over East Branch Glade Creek carry?

About 2,187 vehicles per day (2023 count), of which roughly 36% are trucks.

How long is SR 221 over East Branch Glade Creek?

The structure is 30 ft (9.1 m) long with a longest span of 13 ft (4 m).

Who owns SR 221 over East Branch Glade Creek?

It is owned by the State Highway Agency.