US Bridges

SH 99 SB over Little Prong Buffalo Byu

Good

Fort Bend County, Texas · 1.55 MI N of FM 1093 · Structure no. 120800351004007

Built
1994
31 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
186 ft
3 main spans
Daily traffic
14,250
2013 count
Owner
State
State Highway Agency

About this bridge

SH 99 SB over Little Prong Buffalo Byu is a prestressed concrete stringer/multi-beam or girder carrying SH 99 SB over Little Prong Buffalo Byu 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 14,250 vehicles a day, roughly 5% of them trucks, projected to reach 19,960 by 2033. The structure is 186 ft (56.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 99 SB
CrossesLittle Prong Buffalo Byu
Location1.55 MI N of FM 1093
RouteState Highway 99
StateTexas
Coordinates29.72259, -95.77295
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum 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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length186 ft (56.7 m)
Longest span62 ft (18.9 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,250 (2013)
Projected traffic19,960 by 2033
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SH 99 SB over Little Prong Buffalo Byu built?

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

What condition is SH 99 SB over Little Prong Buffalo Byu 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 October 2024.

How much traffic does SH 99 SB over Little Prong Buffalo Byu carry?

About 14,250 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is SH 99 SB over Little Prong Buffalo Byu?

The structure is 186 ft (56.7 m) long with a longest span of 62 ft (18.9 m) and a deck 43 ft wide.

Who owns SH 99 SB over Little Prong Buffalo Byu?

It is owned by the State Highway Agency.