US Bridges

County RD 49G over Glenn Creek

FairPosted for load

Coos County, Oregon · 065 Miles East of Allegan · Structure no. 11C17I004900000

Built
1964
61 years old, rebuilt 1971
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
99
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 49G over Glenn Creek is a prestressed concrete tee beam carrying County RD 49G over Glenn Creek in Coos County, Oregon. It was built in 1964 and reconstructed in 1971, so it is 61 years old, older than the Oregon average of 49.9 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 99 vehicles a day, roughly 1% of them trucks, projected to reach 114 by 2025. The structure is 75 ft (22.9 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCounty RD 49G
CrossesGlenn Creek
Location065 Miles East of Allegan
RouteCounty Highway C049G
CountyCoos County
StateOregon
Coordinates43.45545, -123.95662
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 rating30.3 US tons
Inventory rating23.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span73 ft (22.3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2020)
Projected traffic114 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$384,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 49G over Glenn Creek built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1971.

What condition is County RD 49G over Glenn Creek 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 September 2024.

How much traffic does County RD 49G over Glenn Creek carry?

About 99 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is County RD 49G over Glenn Creek?

The structure is 75 ft (22.9 m) long with a longest span of 73 ft (22.3 m) and a deck 24 ft wide.

Who owns County RD 49G over Glenn Creek?

It is owned by the County Highway Agency.