US Bridges

IH 69 / US 59 NB over SH 99 & Drain

Good

Fort Bend County, Texas · 1.3 MI SW of Brazos River · Structure no. 120800002712050

Built
2007
18 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Steel
Length
775 ft
2 main spans
Daily traffic
15,336
2019 count
Owner
State
State Highway Agency

About this bridge

IH 69 / US 59 NB over SH 99 & Drain is a steel box beam or girders - multiple carrying IH 69 / US 59 NB over SH 99 & Drain in Fort Bend County, Texas. It was built in 2007, so it is 18 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 15,336 vehicles a day, roughly 9% of them trucks, projected to reach 94,650 by 2031. The structure is 775 ft (236.2 m) long and 104 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 69 / US 59 NB
CrossesSH 99 & Drain
Location1.3 MI SW of Brazos River
RouteU.S. Route 59
StateTexas
Coordinates29.56113, -95.69082
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+4 approach)
Design loadHS 25 or greater
Structure length775 ft (236.2 m)
Longest span145 ft (44.2 m)
Deck width104 ft (31.7 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,336 (2019)
Projected traffic94,650 by 2031
Trucks9%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 69 / US 59 NB over SH 99 & Drain built?

It was built in 2007, making it 18 years old in 2025.

What condition is IH 69 / US 59 NB over SH 99 & Drain 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 2024.

How much traffic does IH 69 / US 59 NB over SH 99 & Drain carry?

About 15,336 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is IH 69 / US 59 NB over SH 99 & Drain?

The structure is 775 ft (236.2 m) long with a longest span of 145 ft (44.2 m) and a deck 104 ft wide.

Who owns IH 69 / US 59 NB over SH 99 & Drain?

It is owned by the State Highway Agency.