US Bridges

Clam Lake Road over Ten-Mile Cut/Salt Bayou

Poor

Jefferson County, Texas · Clam Lake Road · Structure no. 000021525-00012

Built
1950
75 years old, rebuilt 2007
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
149 ft
14 main spans
Daily traffic
80
2024 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Clam Lake Road over Ten-Mile Cut/Salt Bayou is a wood or timber stringer/multi-beam or girder carrying Clam Lake Road over Ten-Mile Cut/Salt Bayou in Jefferson County, Texas. It was built in 1950 and reconstructed in 2007, so it is 75 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 80 vehicles a day, projected to reach 120 by 2044. The structure is 149 ft (45.4 m) long and 15 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesClam Lake Road
CrossesTen-Mile Cut/Salt Bayou
LocationClam Lake Road
RouteFederal Lands Road 0
StateTexas
Coordinates29.6925, -94.08017
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating26 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans14
Design loadH 15
Structure length149 ft (45.4 m)
Longest span13 ft (4 m)
Deck width15 ft (4.5 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic80 (2024)
Projected traffic120 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
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 Clam Lake Road over Ten-Mile Cut/Salt Bayou built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2007.

What condition is Clam Lake Road over Ten-Mile Cut/Salt Bayou in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Clam Lake Road over Ten-Mile Cut/Salt Bayou carry?

About 80 vehicles per day (2024 count).

How long is Clam Lake Road over Ten-Mile Cut/Salt Bayou?

The structure is 149 ft (45.4 m) long with a longest span of 13 ft (4 m) and a deck 15 ft wide.

Who owns Clam Lake Road over Ten-Mile Cut/Salt Bayou?

It is owned by the Bureau of Fish and Wildlife.