US Bridges

SH 99 Sbfr over Ditch T 101-03-00

Fair

Harris County, Texas · 0.1 MI N of IH 10 · Structure no. 121020351005038

Built
2005
20 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
8,240
2013 count
Owner
State
State Highway Agency

About this bridge

SH 99 Sbfr over Ditch T 101-03-00 is a prestressed concrete box beam or girders - multiple carrying SH 99 Sbfr over Ditch T 101-03-00 in Harris County, Texas. It was built in 2005, so it is 20 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 8,240 vehicles a day, roughly 6% of them trucks, projected to reach 11,540 by 2033. The structure is 80 ft (24.4 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 99 Sbfr
CrossesDitch T 101-03-00
Location0.1 MI N of IH 10
RouteState Highway 99
CountyHarris County
StateTexas
Coordinates29.78617, -95.77782
Functional classUrban Collector

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be 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

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width49 ft (14.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,240 (2013)
Projected traffic11,540 by 2033
Trucks6%
Lanes on structure3
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 Sbfr over Ditch T 101-03-00 built?

It was built in 2005, making it 20 years old in 2025.

What condition is SH 99 Sbfr over Ditch T 101-03-00 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 October 2024.

How much traffic does SH 99 Sbfr over Ditch T 101-03-00 carry?

About 8,240 vehicles per day (2013 count), of which roughly 6% are trucks.

How long is SH 99 Sbfr over Ditch T 101-03-00?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 49 ft wide.

Who owns SH 99 Sbfr over Ditch T 101-03-00?

It is owned by the State Highway Agency.