US Bridges

Lockwood ST NB over IH 10

Fair

Harris County, Texas · 2.00 MI E of US 59 · Structure no. 121020050801189

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
2 main spans
Daily traffic
200
2011 count
Owner
State
State Highway Agency

About this bridge

Lockwood ST NB over IH 10 is a prestressed concrete stringer/multi-beam or girder carrying Lockwood ST NB over IH 10 in Harris County, Texas. It was built in 1968, so it is 57 years old, older 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 5 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 200 vehicles a day, projected to reach 600 by 2031. The structure is 200 ft (61 m) long and 47 ft wide.

Location

Open in Google Maps
CarriesLockwood ST NB
CrossesIH 10
Location2.00 MI E of US 59
RouteCity Street 0
CountyHarris County
StateTexas
Coordinates29.7742, -95.31516
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length200 ft (61 m)
Longest span71 ft (21.6 m)
Deck width47 ft (14.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2011)
Projected traffic600 by 2031
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$20,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lockwood ST NB over IH 10 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Lockwood ST NB over IH 10 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 Lockwood ST NB over IH 10 carry?

About 200 vehicles per day (2011 count).

How long is Lockwood ST NB over IH 10?

The structure is 200 ft (61 m) long with a longest span of 71 ft (21.6 m) and a deck 47 ft wide.

Who owns Lockwood ST NB over IH 10?

It is owned by the State Highway Agency.