US Bridges

Sjolander RD over Cary Bayou

Good

Harris County, Texas · 0.05 MI SW of Cedar Byu · Structure no. 121020AA3375005

Built
1970
55 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
12,982
2022 count
Owner
County
County Highway Agency

About this bridge

Sjolander RD over Cary Bayou is a concrete culvert carrying Sjolander RD over Cary Bayou in Harris County, Texas. It was built in 1970, so it is 55 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,982 vehicles a day, roughly 5% of them trucks, projected to reach 21,634 by 2042. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSjolander RD
CrossesCary Bayou
Location0.05 MI SW of Cedar Byu
RouteCounty Highway 0
StateTexas
Coordinates29.78148, -94.94173
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,982 (2022)
Projected traffic21,634 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$26,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Sjolander RD over Cary Bayou built?

It was built in 1970, making it 55 years old in 2025.

What condition is Sjolander RD over Cary Bayou 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 August 2023.

How much traffic does Sjolander RD over Cary Bayou carry?

About 12,982 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Sjolander RD over Cary Bayou?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m).

Who owns Sjolander RD over Cary Bayou?

It is owned by the County Highway Agency.