US Bridges

IH 69 / US 59 Nbfr over Brazos River

Good

Fort Bend County, Texas · 3.50 MI SW of SH 6 · Structure no. 120800002712344

Built
2007
18 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,425 ft
3 main spans
Daily traffic
7,000
2013 count
Owner
State
State Highway Agency

About this bridge

IH 69 / US 59 Nbfr over Brazos River is a steel continuous stringer/multi-beam or girder carrying IH 69 / US 59 Nbfr over Brazos River 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 7,000 vehicles a day, roughly 12% of them trucks, projected to reach 14,000 by 2033. The structure is 1,425 ft (434.3 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 69 / US 59 Nbfr
CrossesBrazos River
Location3.50 MI SW of SH 6
RouteInterstate 69
StateTexas
Coordinates29.56759, -95.66836
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 Continuous
DeckConcrete, cast-in-place
Main spans3 (+6 approach)
Design loadHS 25 or greater
Structure length1,425 ft (434.3 m)
Longest span300 ft (91.4 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2013)
Projected traffic14,000 by 2033
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 69 / US 59 Nbfr over Brazos River built?

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

What condition is IH 69 / US 59 Nbfr over Brazos River 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 Nbfr over Brazos River carry?

About 7,000 vehicles per day (2013 count), of which roughly 12% are trucks.

How long is IH 69 / US 59 Nbfr over Brazos River?

The structure is 1,425 ft (434.3 m) long with a longest span of 300 ft (91.4 m) and a deck 38 ft wide.

Who owns IH 69 / US 59 Nbfr over Brazos River?

It is owned by the State Highway Agency.