US Bridges

Starr Road over Newman Lake Outlet

Fair

Spokane County, Washington · Starr Rd. 02.0 N. Moab · Structure no. 081318000000000

Built
1968
57 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
1,781
2020 count
Owner
County
County Highway Agency

About this bridge

Starr Road over Newman Lake Outlet is a prestressed concrete tee beam carrying Starr Road over Newman Lake Outlet in Spokane County, Washington. It was built in 1968, so it is 57 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,781 vehicles a day, roughly 14% of them trucks, projected to reach 2,564 by 2042. The structure is 42 ft (12.8 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesStarr Road
CrossesNewman Lake Outlet
LocationStarr Rd. 02.0 N. Moab
RouteCounty Highway 4565
CountySpokane County
StateWashington
Coordinates47.75855, -117.06917
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span41 ft (12.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,781 (2020)
Projected traffic2,564 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$439,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Starr Road over Newman Lake Outlet built?

It was built in 1968, making it 57 years old in 2025.

What condition is Starr Road over Newman Lake Outlet 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 July 2024.

How much traffic does Starr Road over Newman Lake Outlet carry?

About 1,781 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is Starr Road over Newman Lake Outlet?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 30 ft wide.

Who owns Starr Road over Newman Lake Outlet?

It is owned by the County Highway Agency.