US Bridges

Crosby-Lynch SB over IH 10

Fair

Harris County, Texas · 0.45 MI W of Spur 330 · Structure no. 121020050801240

Built
1971
54 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
255 ft
2 main spans
Daily traffic
1,903
2023 count
Owner
State
State Highway Agency

About this bridge

Crosby-Lynch SB over IH 10 is a prestressed concrete stringer/multi-beam or girder carrying Crosby-Lynch SB over IH 10 in Harris County, Texas. It was built in 1971, so it is 54 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 1,903 vehicles a day, roughly 12% of them trucks, projected to reach 2,664 by 2042. The structure is 255 ft (77.7 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCrosby-Lynch SB
CrossesIH 10
Location0.45 MI W of Spur 330
RouteCity Street 11
CountyHarris County
StateTexas
Coordinates29.79131, -95.05739
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
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 loadHS 20
Structure length255 ft (77.7 m)
Longest span92 ft (28 m)
Deck width34 ft (10.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,903 (2023)
Projected traffic2,664 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$15,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Crosby-Lynch SB over IH 10 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Crosby-Lynch SB 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 November 2024.

How much traffic does Crosby-Lynch SB over IH 10 carry?

About 1,903 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Crosby-Lynch SB over IH 10?

The structure is 255 ft (77.7 m) long with a longest span of 92 ft (28 m) and a deck 34 ft wide.

Who owns Crosby-Lynch SB over IH 10?

It is owned by the State Highway Agency.