US Bridges

Baird Springs RD over Trinidad Creek

Good

Grant County, Washington · Baird Spring 1.7 N SR 28 · Structure no. 087298000000000

Built
2005
20 years old
Condition
Good
inspected December 2023
Type
Culvert
Steel
Length
27 ft
1 main span
Daily traffic
26
2021 count
Owner
County
County Highway Agency

About this bridge

Baird Springs RD over Trinidad Creek is a steel culvert carrying Baird Springs RD over Trinidad Creek in Grant County, Washington. It was built in 2005, so it is 20 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26 vehicles a day, roughly 26% of them trucks, projected to reach 113 by 2043. The structure is 27 ft (8.2 m) long and 29 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesBaird Springs RD
CrossesTrinidad Creek
LocationBaird Spring 1.7 N SR 28
RouteCounty Highway 32300
Coordinates47.25922, -119.97217
Functional classRural Minor Collector

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.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.4 US tons
Inventory rating78.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2021)
Projected traffic113 by 2043
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$385,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Baird Springs RD over Trinidad Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Baird Springs RD over Trinidad 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 December 2023.

How much traffic does Baird Springs RD over Trinidad Creek carry?

About 26 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is Baird Springs RD over Trinidad Creek?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 29 ft wide.

Who owns Baird Springs RD over Trinidad Creek?

It is owned by the County Highway Agency.