US Bridges

SH99 NB to IH10 EB over IH 10 Ebfr & SH 99 Nbfr

Fair

Harris County, Texas · 3.3 MI W of Fry RD · Structure no. 121020351005048

Built
2012
13 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,175 ft
21 main spans
Daily traffic
20,000
2013 count
Owner
State
State Highway Agency

About this bridge

SH99 NB to IH10 EB over IH 10 Ebfr & SH 99 Nbfr is a prestressed concrete stringer/multi-beam or girder carrying SH99 NB to IH10 EB over IH 10 Ebfr & SH 99 Nbfr in Harris County, Texas. It was built in 2012, so it is 13 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20,000 vehicles a day, roughly 3% of them trucks, projected to reach 25,000 by 2033. The structure is 2,175 ft (662.9 m) long and 29 ft wide.

CarriesSH99 NB to IH10 EB
CrossesIH 10 Ebfr & SH 99 Nbfr
Location3.3 MI W of Fry RD
RouteState Highway 99
StateTexas
Coordinates29.77981, -95.77697
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal 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 spans21
Design loadHL 93
Structure length2,175 ft (662.9 m)
Longest span118 ft (36 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2013)
Projected traffic25,000 by 2033
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH99 NB to IH10 EB over IH 10 Ebfr & SH 99 Nbfr built?

It was built in 2012, making it 13 years old in 2025.

What condition is SH99 NB to IH10 EB over IH 10 Ebfr & SH 99 Nbfr in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does SH99 NB to IH10 EB over IH 10 Ebfr & SH 99 Nbfr carry?

About 20,000 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is SH99 NB to IH10 EB over IH 10 Ebfr & SH 99 Nbfr?

The structure is 2,175 ft (662.9 m) long with a longest span of 118 ft (36 m) and a deck 29 ft wide.

Who owns SH99 NB to IH10 EB over IH 10 Ebfr & SH 99 Nbfr?

It is owned by the State Highway Agency.