US Bridges

Harlem RD over Oyster Creek Trib #3

Good

Fort Bend County, Texas · 0.60 MI S of SH 99 · Structure no. 120800351004028

Built
1994
31 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
1,500
2013 count
Owner
County
County Highway Agency

About this bridge

Harlem RD over Oyster Creek Trib #3 is a concrete culvert carrying Harlem RD over Oyster Creek Trib #3 in Fort Bend County, Texas. It was built in 1994, so it is 31 years old, younger 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 1,500 vehicles a day, roughly 12% of them trucks, projected to reach 14,100 by 2033. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHarlem RD
CrossesOyster Creek Trib #3
Location0.60 MI S of SH 99
RouteCounty Highway 99
StateTexas
Coordinates29.64892, -95.71461
Functional classUrban 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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2013)
Projected traffic14,100 by 2033
Trucks12%
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 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 Harlem RD over Oyster Creek Trib #3 built?

It was built in 1994, making it 31 years old in 2025.

What condition is Harlem RD over Oyster Creek Trib #3 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 Harlem RD over Oyster Creek Trib #3 carry?

About 1,500 vehicles per day (2013 count), of which roughly 12% are trucks.

How long is Harlem RD over Oyster Creek Trib #3?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns Harlem RD over Oyster Creek Trib #3?

It is owned by the County Highway Agency.