US Bridges

Monte Elma Road over Satsop River

FairPosted for load

Grays Harbor County, Washington · 00.1 W JCT E.Satsop · Structure no. 084914000000000

Built
1938
87 years old, rebuilt 2014
Condition
Fair
inspected February 2024
Type
Truss - Thru
Steel
Length
710 ft
1 main span
Daily traffic
1,869
2020 count
Owner
County
County Highway Agency

About this bridge

Monte Elma Road over Satsop River is a steel truss - thru carrying Monte Elma Road over Satsop River in Grays Harbor County, Washington. It was built in 1938 and reconstructed in 2014, so it is 87 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,869 vehicles a day, roughly 8% of them trucks, projected to reach 2,777 by 2040. The structure is 710 ft (216.4 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMonte Elma Road
CrossesSatsop River
Location00.1 W JCT E.Satsop
RouteCounty Highway 97100
CountyGrays Harbor County
StateWashington
Coordinates47.00126, -123.49486
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+15 approach)
Design loadH 15
Structure length710 ft (216.4 m)
Longest span240 ft (73.2 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic1,869 (2020)
Projected traffic2,777 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Monte Elma Road over Satsop River built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2014.

What condition is Monte Elma Road over Satsop River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Monte Elma Road over Satsop River carry?

About 1,869 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Monte Elma Road over Satsop River?

The structure is 710 ft (216.4 m) long with a longest span of 240 ft (73.2 m) and a deck 26 ft wide.

Who owns Monte Elma Road over Satsop River?

It is owned by the County Highway Agency.