US Bridges

Speegle Road over Tennant Branch Tributary

Fair

McLennan County, Texas · 0.60 MI S of FM 185 · Structure no. 091610AA0186001

Built
1988
37 years old
Condition
Fair
inspected February 2024
Type
Other
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
169
2022 count
Owner
County
County Highway Agency

About this bridge

Speegle Road over Tennant Branch Tributary is a prestressed concrete other carrying Speegle Road over Tennant Branch Tributary in McLennan County, Texas. It was built in 1988, so it is 37 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 169 vehicles a day, projected to reach 330 by 2036. The structure is 51 ft (15.5 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSpeegle Road
CrossesTennant Branch Tributary
Location0.60 MI S of FM 185
RouteCounty Highway 420
CountyMcLennan County
StateTexas
Coordinates31.57571, -97.30487
Functional classRural 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; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic169 (2022)
Projected traffic330 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$313,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Speegle Road over Tennant Branch Tributary built?

It was built in 1988, making it 37 years old in 2025.

What condition is Speegle Road over Tennant Branch Tributary 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 Speegle Road over Tennant Branch Tributary carry?

About 169 vehicles per day (2022 count).

How long is Speegle Road over Tennant Branch Tributary?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 23 ft wide.

Who owns Speegle Road over Tennant Branch Tributary?

It is owned by the County Highway Agency.