US Bridges

IH 45 SB FR Conn over Elgin ST

Fair

Harris County, Texas · IH 45 @ Elgin St. · Structure no. 121020050003257

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
145 ft
4 main spans
Daily traffic
200
2013 count
Owner
State
State Highway Agency

About this bridge

IH 45 SB FR Conn over Elgin ST is a prestressed concrete stringer/multi-beam or girder carrying IH 45 SB FR Conn over Elgin ST in Harris County, Texas. It was built in 1960, so it is 65 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 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 200 vehicles a day, roughly 7% of them trucks, projected to reach 290 by 2033. The structure is 145 ft (44.2 m) long and 31 ft wide.

Location

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CarriesIH 45 SB FR Conn
CrossesElgin ST
LocationIH 45 @ Elgin St.
CountyHarris County
StateTexas
Coordinates29.72763, -95.33676
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length145 ft (44.2 m)
Longest span37 ft (11.3 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2013)
Projected traffic290 by 2033
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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$10,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 45 SB FR Conn over Elgin ST built?

It was built in 1960, making it 65 years old in 2025.

What condition is IH 45 SB FR Conn over Elgin ST 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 IH 45 SB FR Conn over Elgin ST carry?

About 200 vehicles per day (2013 count), of which roughly 7% are trucks.

How long is IH 45 SB FR Conn over Elgin ST?

The structure is 145 ft (44.2 m) long with a longest span of 37 ft (11.3 m) and a deck 31 ft wide.

Who owns IH 45 SB FR Conn over Elgin ST?

It is owned by the State Highway Agency.