US Bridges

Mt Bonnell RD over Dry Creek

Fair

Travis County, Texas · 0.4 MI S of FM 2222 · Structure no. 142270B01021003

Built
1922
103 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
23 ft
2 main spans
Daily traffic
3,425
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mt Bonnell RD over Dry Creek is a concrete slab carrying Mt Bonnell RD over Dry Creek in Travis County, Texas. It was built in 1922, so it is 103 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 3,425 vehicles a day, projected to reach 2,000 by 2034. The structure is 23 ft (7 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMt Bonnell RD
CrossesDry Creek
Location0.4 MI S of FM 2222
RouteCity Street 0
CountyTravis County
StateTexas
Coordinates30.33645, -97.7764
Functional classUrban Local

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,425 (2015)
Projected traffic2,000 by 2034
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$13,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mt Bonnell RD over Dry Creek built?

It was built in 1922, making it 103 years old in 2025.

What condition is Mt Bonnell RD over Dry Creek 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 February 2024.

How much traffic does Mt Bonnell RD over Dry Creek carry?

About 3,425 vehicles per day (2015 count).

How long is Mt Bonnell RD over Dry Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 25 ft wide.

Who owns Mt Bonnell RD over Dry Creek?

It is owned by the City or Municipal Highway Agency.